21132113011320 has 128 divisors (see below), whose sum is σ = 68360622624000. Its totient is φ = 5208428344320.

The previous prime is 21132113011297. The next prime is 21132113011349. The reversal of 21132113011320 is 2311031123112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112936650 + ... + 113123609.

It is an arithmetic number, because the mean of its divisors is an integer number (534067364250).

Almost surely, 2^{21132113011320} is an apocalyptic number.

21132113011320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21132113011320 is an abundant number, since it is smaller than the sum of its proper divisors (47228509612680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21132113011320 is a wasteful number, since it uses less digits than its factorization.

21132113011320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226060333 (or 226060329 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 21132113011320 its reverse (2311031123112), we get a palindrome (23443144134432).

The spelling of 21132113011320 in words is "twenty-one trillion, one hundred thirty-two billion, one hundred thirteen million, eleven thousand, three hundred twenty".