22012312110 has 32 divisors (see below), whose sum is σ = 52962649632. Its totient is φ = 5855160960.

The previous prime is 22012312103. The next prime is 22012312123. The reversal of 22012312110 is 1121321022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22012312110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 912201 + ... + 936020.

It is an arithmetic number, because the mean of its divisors is an integer number (1655082801).

Almost surely, 2^22012312110 is an apocalyptic number.

22012312110 is an abundant number, since it is smaller than the sum of its proper divisors (30950337522).

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

22012312110 is a wasteful number, since it uses less digits than its factorization.

22012312110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848628.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22012312110 its reverse (1121321022), we get a palindrome (23133633132).

The spelling of 22012312110 in words is "twenty-two billion, twelve million, three hundred twelve thousand, one hundred ten".