godzillionth en · ADJ
Etymology
From godzillion + -th (ordinal suffix).
Meanings
-
(informal, not-comparable) The ordinal form of the number godzillion.
It might interest him that one hundred thousand factorial is not "ten to the godzillionth power", but rather the much more modest ten to the 45673.450899970908360663394094748 (approximately).
1991 January 14, Isaac Asimov's Science Fiction Magazine, page 14, column 1: