22111331021131 has 16 divisors (see below), whose sum is σ = 24578872657920. Its totient is φ = 19720097111520.

The previous prime is 22111331021099. The next prime is 22111331021141. The reversal of 22111331021131 is 13112013311122.

It is a cyclic number.

It is not a de Polignac number, because 22111331021131 - 2⁵ = 22111331021099 is a prime.

It is a super-2 number, since 2×22111331021131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111331021141) 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, 4483030 + ... + 8019988.

It is an arithmetic number, because the mean of its divisors is an integer number (1536179541120).

Almost surely, 2^{22111331021131} is an apocalyptic number.

22111331021131 is a deficient number, since it is larger than the sum of its proper divisors (2467541636789).

22111331021131 is a wasteful number, since it uses less digits than its factorization.

22111331021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547746.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 22111331021131 its reverse (13112013311122), we get a palindrome (35223344332253).

The spelling of 22111331021131 in words is "twenty-two trillion, one hundred eleven billion, three hundred thirty-one million, twenty-one thousand, one hundred thirty-one".