21132322311 has 32 divisors (see below), whose sum is σ = 30056106240. Its totient is φ = 13161106944.

The previous prime is 21132322261. The next prime is 21132322357. The reversal of 21132322311 is 11322323112.

It is not a de Polignac number, because 21132322311 - 2¹⁵ = 21132289543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21132322361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3879756 + ... + 3885198.

It is an arithmetic number, because the mean of its divisors is an integer number (939253320).

Almost surely, 2^21132322311 is an apocalyptic number.

21132322311 is a deficient number, since it is larger than the sum of its proper divisors (8923783929).

21132322311 is a wasteful number, since it uses less digits than its factorization.

21132322311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6015.

The product of its digits is 432, while the sum is 21.

Adding to 21132322311 its reverse (11322323112), we get a palindrome (32454645423).

The spelling of 21132322311 in words is "twenty-one billion, one hundred thirty-two million, three hundred twenty-two thousand, three hundred eleven".