Is “Googolplex” a Scrabble word?
Yes
GOOGOLPLEX
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Googolplex
numeral
1.The number 10^{10^{100}} or 10^\text{googol}, ten to the power of a googol.
2.An unimaginably large number.
3.An infinitesimally small portion of land, defined for legal purposes.