21113000211131 has 8 divisors (see below), whose sum is σ = 21841085928720. Its totient is φ = 20384917908768.

The previous prime is 21113000211119. The next prime is 21113000211139. The reversal of 21113000211131 is 13111200031112.

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 21113000211131 - 2²⁶ = 21112933102267 is a prime.

It is a super-2 number, since 2×21113000211131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21113000211139) 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, 23435240 + ... + 24319466.

It is an arithmetic number, because the mean of its divisors is an integer number (2730135741090).

Almost surely, 2^{21113000211131} is an apocalyptic number.

21113000211131 is a deficient number, since it is larger than the sum of its proper divisors (728085717589).

21113000211131 is an equidigital number, since it uses as much as digits as its factorization.

21113000211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707613.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 21113000211131 its reverse (13111200031112), we get a palindrome (34224200242243).

The spelling of 21113000211131 in words is "twenty-one trillion, one hundred thirteen billion, two hundred eleven thousand, one hundred thirty-one".