21313101122131 has 8 divisors (see below), whose sum is σ = 26231509073504. Its totient is φ = 16863112975680.

The previous prime is 21313101122129. The next prime is 21313101122141. The reversal of 21313101122131 is 13122110131312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21313101122131 - 2¹ = 21313101122129 is a prime.

It is a super-2 number, since 2×21313101122131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21313101122101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117104951130 + ... + 117104951311.

It is an arithmetic number, because the mean of its divisors is an integer number (3278938634188).

Almost surely, 2^{21313101122131} is an apocalyptic number.

21313101122131 is a deficient number, since it is larger than the sum of its proper divisors (4918407951373).

21313101122131 is a wasteful number, since it uses less digits than its factorization.

21313101122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234209902461.

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

Adding to 21313101122131 its reverse (13122110131312), we get a palindrome (34435211253443).

The spelling of 21313101122131 in words is "twenty-one trillion, three hundred thirteen billion, one hundred one million, one hundred twenty-two thousand, one hundred thirty-one".