2211022131 has 16 divisors (see below), whose sum is σ = 3079265280. Its totient is φ = 1408524480.

The previous prime is 2211022127. The next prime is 2211022157. The reversal of 2211022131 is 1312201122.

It is not a de Polignac number, because 2211022131 - 2² = 2211022127 is a prime.

It is a super-2 number, since 2×2211022131² = 9777237727543562322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2211022131.

It is not an unprimeable number, because it can be changed into a prime (2211022111) 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, 56271 + ... + 87111.

It is an arithmetic number, because the mean of its divisors is an integer number (192454080).

Almost surely, 2^2211022131 is an apocalyptic number.

2211022131 is a deficient number, since it is larger than the sum of its proper divisors (868243149).

2211022131 is a wasteful number, since it uses less digits than its factorization.

2211022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31906.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2211022131 is about 47021.5071111082. The cubic root of 2211022131 is about 1302.7598431392.

Adding to 2211022131 its reverse (1312201122), we get a palindrome (3523223253).

The spelling of 2211022131 in words is "two billion, two hundred eleven million, twenty-two thousand, one hundred thirty-one".