The googolduplexitoll is equal to 10101010,000 = E10,000#3 = EEE10,000 using Hyper-E notation. The name was coined by Sbiis Saibian. Aarex Tiaokhiao calls this number gooholduplex. Username5243 calls this number goomyrolduplex, and it's equal to 10[1]10[1]10[1]10000 in Username5243's Array Notation.