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Googolyllion is an "-yllionized" version of the googol, equal to $$10^{2^{(10^{100})+2}} = 10^{10^{3.0102999566 \times 10^{99}}}$$.[1] It is comparable to a googolduplex, as it is approximately equal to 10101099.5.

## Approxmations

Notation Approximaton
Hyper-E notation E99.5#3
Arrow notation $$10 \uparrow (2 \uparrow (10 \uparrow 100) + 2)$$ (exact)