22131110110 has 16 divisors (see below), whose sum is σ = 39852688176. Its totient is φ = 8848735168.

The previous prime is 22131110069. The next prime is 22131110137. The reversal of 22131110110 is 1101113122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438484 + ... + 486343.

It is an arithmetic number, because the mean of its divisors is an integer number (2490793011).

Almost surely, 2^22131110110 is an apocalyptic number.

22131110110 is a deficient number, since it is larger than the sum of its proper divisors (17721578066).

22131110110 is a wasteful number, since it uses less digits than its factorization.

22131110110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927227.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 22131110110 its reverse (1101113122), we get a palindrome (23232223232).

The spelling of 22131110110 in words is "twenty-two billion, one hundred thirty-one million, one hundred ten thousand, one hundred ten".