22130321311 has 4 divisors (see below), whose sum is σ = 25291795792. Its totient is φ = 18968846832.

The previous prime is 22130321303. The next prime is 22130321327. The reversal of 22130321311 is 11312303122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22130321311 - 2³ = 22130321303 is a prime.

It is a super-2 number, since 2×22130321311² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130321311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1580737230 + ... + 1580737243.

It is an arithmetic number, because the mean of its divisors is an integer number (6322948948).

Almost surely, 2^22130321311 is an apocalyptic number.

22130321311 is a deficient number, since it is larger than the sum of its proper divisors (3161474481).

22130321311 is an equidigital number, since it uses as much as digits as its factorization.

22130321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161474480.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22130321311 its reverse (11312303122), we get a palindrome (33442624433).

The spelling of 22130321311 in words is "twenty-two billion, one hundred thirty million, three hundred twenty-one thousand, three hundred eleven".