22112202100122 has 96 divisors (see below), whose sum is σ = 49815567285120. Its totient is φ = 7082956362240.

The previous prime is 22112202100111. The next prime is 22112202100187. The reversal of 22112202100122 is 22100120221122.

It is a happy number.

22112202100122 is a `hidden beast` number, since 2 + 211 + 220 + 210 + 0 + 1 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22112202100095 and 22112202100104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 914887254 + ... + 914911422.

It is an arithmetic number, because the mean of its divisors is an integer number (518912159220).

Almost surely, 2^{22112202100122} is an apocalyptic number.

22112202100122 is an abundant number, since it is smaller than the sum of its proper divisors (27703365184998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22112202100122 is a wasteful number, since it uses less digits than its factorization.

22112202100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42788 (or 42785 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22112202100122 its reverse (22100120221122), we get a palindrome (44212322321244).

The spelling of 22112202100122 in words is "twenty-two trillion, one hundred twelve billion, two hundred two million, one hundred thousand, one hundred twenty-two".