22111122112110 has 96 divisors (see below), whose sum is σ = 58060475167968. Its totient is φ = 5837682681600.

The previous prime is 22111122112109. The next prime is 22111122112133. The reversal of 22111122112110 is 1121122111122.

It is a happy number.

22111122112110 is a `hidden beast` number, since 221 + 1 + 11 + 221 + 1 + 211 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 417140869 + ... + 417193871.

It is an arithmetic number, because the mean of its divisors is an integer number (604796616333).

Almost surely, 2^{22111122112110} is an apocalyptic number.

22111122112110 is an abundant number, since it is smaller than the sum of its proper divisors (35949353055858).

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

22111122112110 is a wasteful number, since it uses less digits than its factorization.

22111122112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99010 (or 99007 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 22111122112110 its reverse (1121122111122), we get a palindrome (23232244223232).

The spelling of 22111122112110 in words is "twenty-two trillion, one hundred eleven billion, one hundred twenty-two million, one hundred twelve thousand, one hundred ten".