22111311131 has 32 divisors (see below), whose sum is σ = 28254793728. Its totient is φ = 16832085120.

The previous prime is 22111311071. The next prime is 22111311133. The reversal of 22111311131 is 13111311122.

It is a cyclic number.

It is not a de Polignac number, because 22111311131 - 2¹⁸ = 22111048987 is a prime.

It is a super-2 number, since 2×22111311131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22111311133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 465380 + ... + 510686.

It is an arithmetic number, because the mean of its divisors is an integer number (882962304).

Almost surely, 2^22111311131 is an apocalyptic number.

22111311131 is a deficient number, since it is larger than the sum of its proper divisors (6143482597).

22111311131 is a wasteful number, since it uses less digits than its factorization.

22111311131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45531.

The product of its digits is 36, while the sum is 17.

Adding to 22111311131 its reverse (13111311122), we get a palindrome (35222622253).

Subtracting from 22111311131 its reverse (13111311122), we obtain a palindrome (9000000009).

The spelling of 22111311131 in words is "twenty-two billion, one hundred eleven million, three hundred eleven thousand, one hundred thirty-one".