Adding to 122554233220555 its reverse (555022332455221), we get a palindrome (677576565675776).
It is a semiprime because it is the product of two primes.
It is a Duffinian number.
Almost surely, 2122554233220555 is an apocalyptic number.
122554233220555 is an equidigital number, since it uses as much as digits as its factorization.
122554233220555 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24510846644116.
The spelling of 122554233220555 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, two hundred thirty-three million, two hundred twenty thousand, five hundred fifty-five".