22012311131 has 2 divisors, whose sum is σ = 22012311132. Its totient is φ = 22012311130.

The previous prime is 22012311107. The next prime is 22012311137. The reversal of 22012311131 is 13111321022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22012311131 - 2¹⁴ = 22012294747 is a prime.

It is a super-2 number, since 2×22012311131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22012311137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006155565 + 11006155566.

It is an arithmetic number, because the mean of its divisors is an integer number (11006155566).

Almost surely, 2^22012311131 is an apocalyptic number.

22012311131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012311131 is an equidigital number, since it uses as much as digits as its factorization.

22012311131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22012311131 its reverse (13111321022), we get a palindrome (35123632153).

The spelling of 22012311131 in words is "twenty-two billion, twelve million, three hundred eleven thousand, one hundred thirty-one".