22113211110 has 32 divisors (see below), whose sum is σ = 53586973440. Its totient is φ = 5839604448.

The previous prime is 22113211093. The next prime is 22113211177. The reversal of 22113211110 is 1111231122.

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 22113211110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3575100 + ... + 3581279.

It is an arithmetic number, because the mean of its divisors is an integer number (1674592920).

Almost surely, 2^22113211110 is an apocalyptic number.

22113211110 is an abundant number, since it is smaller than the sum of its proper divisors (31473762330).

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

22113211110 is a wasteful number, since it uses less digits than its factorization.

22113211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7156492.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 22113211110 its reverse (1111231122), we get a palindrome (23224442232).

The spelling of 22113211110 in words is "twenty-two billion, one hundred thirteen million, two hundred eleven thousand, one hundred ten".