22131110111 has 16 divisors (see below), whose sum is σ = 25421126400. Its totient is φ = 19054728000.

The previous prime is 22131110069. The next prime is 22131110137. The reversal of 22131110111 is 11101113122.

It is not a de Polignac number, because 22131110111 - 2⁶ = 22131110047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131110161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807686 + ... + 834636.

It is an arithmetic number, because the mean of its divisors is an integer number (1588820400).

Almost surely, 2^22131110111 is an apocalyptic number.

22131110111 is a deficient number, since it is larger than the sum of its proper divisors (3290016289).

22131110111 is a wasteful number, since it uses less digits than its factorization.

22131110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30910.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 22131110111 its reverse (11101113122), we get a palindrome (33232223233).

The spelling of 22131110111 in words is "twenty-two billion, one hundred thirty-one million, one hundred ten thousand, one hundred eleven".