21013310303200 has 72 divisors (see below), whose sum is σ = 51778171500552. Its totient is φ = 8326769656320.

The previous prime is 21013310303179. The next prime is 21013310303257. The reversal of 21013310303200 is 230301331012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122655699 + ... + 122826898.

It is an arithmetic number, because the mean of its divisors is an integer number (719141270841).

Almost surely, 2^{21013310303200} is an apocalyptic number.

21013310303200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21013310303200 is an abundant number, since it is smaller than the sum of its proper divisors (30764861197352).

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

21013310303200 is a wasteful number, since it uses less digits than its factorization.

21013310303200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245482724 (or 245482711 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21013310303200 its reverse (230301331012), we get a palindrome (21243611634212).

The spelling of 21013310303200 in words is "twenty-one trillion, thirteen billion, three hundred ten million, three hundred three thousand, two hundred".