22122031111 has 16 divisors (see below), whose sum is σ = 23603322240. Its totient is φ = 20697644800.

The previous prime is 22122031049. The next prime is 22122031159. The reversal of 22122031111 is 11113022122.

It is a cyclic number.

It is not a de Polignac number, because 22122031111 - 2²¹ = 22119933959 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 (22122031171) 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, 57315 + ... + 218011.

It is an arithmetic number, because the mean of its divisors is an integer number (1475207640).

Almost surely, 2^22122031111 is an apocalyptic number.

22122031111 is a deficient number, since it is larger than the sum of its proper divisors (1481291129).

22122031111 is a wasteful number, since it uses less digits than its factorization.

22122031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160874.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22122031111 its reverse (11113022122), we get a palindrome (33235053233).

The spelling of 22122031111 in words is "twenty-two billion, one hundred twenty-two million, thirty-one thousand, one hundred eleven".