22131022211 has 16 divisors (see below), whose sum is σ = 23740950528. Its totient is φ = 20581044000.

The previous prime is 22131022187. The next prime is 22131022247. The reversal of 22131022211 is 11222013122.

It is not a de Polignac number, because 22131022211 - 2³⁴ = 4951153027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22131022211.

It is not an unprimeable number, because it can be changed into a prime (22131024211) 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, 95441 + ... + 231021.

It is an arithmetic number, because the mean of its divisors is an integer number (1483809408).

Almost surely, 2^22131022211 is an apocalyptic number.

22131022211 is a deficient number, since it is larger than the sum of its proper divisors (1609928317).

22131022211 is a wasteful number, since it uses less digits than its factorization.

22131022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135802.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22131022211 its reverse (11222013122), we get a palindrome (33353035333).

The spelling of 22131022211 in words is "twenty-two billion, one hundred thirty-one million, twenty-two thousand, two hundred eleven".