21130344011300 has 72 divisors (see below), whose sum is σ = 46921221495456. Its totient is φ = 8255219132160.

The previous prime is 21130344011297. The next prime is 21130344011363. The reversal of 21130344011300 is 311044303112.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113396807 + ... + 113582993.

Almost surely, 2^{21130344011300} is an apocalyptic number.

21130344011300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21130344011300 is an abundant number, since it is smaller than the sum of its proper divisors (25790877484156).

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

21130344011300 is a wasteful number, since it uses less digits than its factorization.

21130344011300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212637 (or 212630 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21130344011300 its reverse (311044303112), we get a palindrome (21441388314412).

The spelling of 21130344011300 in words is "twenty-one trillion, one hundred thirty billion, three hundred forty-four million, eleven thousand, three hundred".