The ggoogol is equal to 100\(\cdot\)googol using hypermathematics.[1] . In normal mathematics, it is exactly \(\sum^{99}_{i=0}10^{100+101i}=10^{100}\left(\frac{10^{10100}-1}{10^{101}-1}\right)\). It is therefore somewhat bigger than \(10^{10099}\) using normal mathematics.
Sources
See also
Numbers from A googol is a tiny dot
Hypermathematics: bigoogol · trigoogol · quadrigoogol · coogol(plex)
Hyperlicious: wakoogol(plex) · wakamoogol(plex) · wonkapoogol(plex) · ultron
Numbers with a W: woogol · wiggol · waggol · weegol · wigol · woggol · wagol · bwoogol · bwiggol · bwaggol · bweegol · bwigol · bwoggol · bwagol
Primes: Gooprol · Booprol · Trooprol · Quadrooprol
Other: Bentley's Number · Pigol · Egol · Phigol · gongol(plex) · kaboodol(plex) · gaz(illion)