Here are some names for big numbers. These names are the "short scale" names (see Names for Big Numbers (at the bottom of the page) for what "short scale" and "long scale" mean).
103 | Thousand |
106 | Million |
109 | Billion |
1012 | Trillion |
1015 | Quadrillion |
1018 | Quintillion |
1021 | Sextillion |
1024 | Septillion |
1027 | Octillion |
1030 | Nonillion |
1033 | Decillion |
1036 | Undecillion |
1039 | Duodecillion |
1042 | Tredecillion |
1045 | Quattuordecillion |
1048 | Quindecillion |
1051 | Sexdecillion |
1054 | Septendecillion |
1057 | Octodecillion |
1060 | Novemdecillion |
1063 | Vigintillion |
1066 | Unvigintillion |
1069 | Duovigintillion |
1072 | Trevigintillion |
1075 | Quattuorvigintillion |
1078 | Quinvigintillion |
1081 | Sexvigintillion |
1084 | Septenvigintillion |
1087 | Octovigintillion |
1090 | Novemvigintillion |
1093 | Trigintillion |
1096 | Untrigintillion |
1099 | Duotrigintillion |
10102 | Tretrigintillion |
10105 | Quattuortrigintillion |
10108 | Quintrigintillion |
10111 | Sextrigintillion |
10114 | Septentrigintillion |
10117 | Octotrigintillion |
10120 | Novemtrigintillion |
10123 | Quadragintillion |
10126 | Unquadragintillion |
10129 | Duoquadragintillion |
10132 | Trequadragintillion |
10135 | Quattuorquadragintillion |
10138 | Quinquadragintillion |
10141 | Sexquadragintillion |
10144 | Septenquadragintillion |
10147 | Octoquadragintillion |
10150 | Novemquadragintillion |
10153 | Quinquagintillion |
10156 | Unquinquagintillion |
10159 | Duoquinquagintillion |
10162 | Trequinquagintillion |
10165 | Quattuorquinquagintillion |
10168 | Quinquinquagintillion |
10171 | Sexquinquagintillion |
10174 | Septenquinquagintillion |
10177 | Octoquinquagintillion |
10180 | Novemquinquagintillion |
10183 | Sexagintillion |
10186 | Unsexagintillion |
10189 | Duosexagintillion |
10192 | Tresexagintillion |
10195 | Quattuorsexagintillion |
10198 | Quinsexagintillion |
10201 | Sexsexagintillion |
10204 | Septensexagintillion |
10207 | Octosexagintillion |
10210 | Novemsexagintillion |
10213 | Septuagintillion |
10216 | Unseptuagintillion |
10219 | Duoseptuagintillion |
10222 | Treseptuagintillion |
10225 | Quattuorseptuagintillion |
10228 | Quinseptuagintillion |
10231 | Sexseptuagintillion |
10234 | Septenseptuagintillion |
10237 | Octoseptuagintillion |
10240 | Novemseptuagintillion |
10243 | Octogintillion |
10246 | Unoctogintillion |
10249 | Duooctogintillion |
10252 | Treoctogintillion |
10255 | Quattuoroctogintillion |
10258 | Quinoctogintillion |
10261 | Sexoctogintillion |
10264 | Septenoctogintillion |
10267 | Octooctogintillion |
10270 | Novemoctogintillion |
10273 | Nonagintillion |
10276 | Unnonagintillion |
10279 | Duononagintillion |
10282 | Trenonagintillion |
10285 | Quattuornonagintillion |
10288 | Quinnonagintillion |
10291 | Sexnonagintillion |
10294 | Septennonagintillion |
10297 | Octononagintillion |
10300 | Novemnonagintillion |
10303 | Centillion |
Beyond this point, it is possible to continue going (e.g. uncentillion, etc, followed by concatenating more prefixes to more suffixes), but this scheme of Latin-derived names gets quite impractical (you'll notice that some of these numbers are quite a mouthful already); even most of the names listed above are rarely used, as it is easier to express numbers such as these in scientific notation.