22113111211131 has 16 divisors (see below), whose sum is σ = 30436244277248. Its totient is φ = 14266057219200.

The previous prime is 22113111211123. The next prime is 22113111211151. The reversal of 22113111211131 is 13111211131122.

It is not a de Polignac number, because 22113111211131 - 2³ = 22113111211123 is a prime.

It is a super-2 number, since 2×22113111211131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22113111211098 and 22113111211107.

It is not an unprimeable number, because it can be changed into a prime (22113111211151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011550 + ... + 6726771.

It is an arithmetic number, because the mean of its divisors is an integer number (1902265267328).

Almost surely, 2^{22113111211131} is an apocalyptic number.

22113111211131 is a deficient number, since it is larger than the sum of its proper divisors (8323133066117).

22113111211131 is a wasteful number, since it uses less digits than its factorization.

22113111211131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7769082.

The product of its digits is 72, while the sum is 21.

Adding to 22113111211131 its reverse (13111211131122), we get a palindrome (35224322342253).

The spelling of 22113111211131 in words is "twenty-two trillion, one hundred thirteen billion, one hundred eleven million, two hundred eleven thousand, one hundred thirty-one".