22122212222110 has 128 divisors (see below), whose sum is σ = 53686441847808. Its totient is φ = 6338421504000.

The previous prime is 22122212222087. The next prime is 22122212222129. The reversal of 22122212222110 is 1122221222122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2172676 + ... + 6997495.

It is an arithmetic number, because the mean of its divisors is an integer number (419425326936).

Almost surely, 2^{22122212222110} is an apocalyptic number.

22122212222110 is an abundant number, since it is smaller than the sum of its proper divisors (31564229625698).

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

22122212222110 is a wasteful number, since it uses less digits than its factorization.

22122212222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9170450.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22122212222110 its reverse (1122221222122), we get a palindrome (23244433444232).

It can be divided in two parts, 22122212 and 222110, that added together give a palindrome (22344322).

The spelling of 22122212222110 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twelve million, two hundred twenty-two thousand, one hundred ten".