21130000021300 has 72 divisors (see below), whose sum is σ = 48451311417600. Its totient is φ = 7982185960320.

The previous prime is 21130000021297. The next prime is 21130000021327. The reversal of 21130000021300 is 312000003112.

It is a congruent number.

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, 57963595 + ... + 58326994.

It is an arithmetic number, because the mean of its divisors is an integer number (672934880800).

Almost surely, 2^{21130000021300} is an apocalyptic number.

21130000021300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21130000021300 is an abundant number, since it is smaller than the sum of its proper divisors (27321311396300).

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

21130000021300 is a wasteful number, since it uses less digits than its factorization.

21130000021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116290705 (or 116290698 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21130000021300 its reverse (312000003112), we get a palindrome (21442000024412).

The spelling of 21130000021300 in words is "twenty-one trillion, one hundred thirty billion, twenty-one thousand, three hundred".