21113524566200 has 96 divisors (see below), whose sum is σ = 54071494738560. Its totient is φ = 7603104969600.

The previous prime is 21113524566193. The next prime is 21113524566217. The reversal of 21113524566200 is 266542531112.

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, 46361054 + ... + 46814253.

It is an arithmetic number, because the mean of its divisors is an integer number (563244736860).

Almost surely, 2^{21113524566200} is an apocalyptic number.

21113524566200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21113524566200 is an abundant number, since it is smaller than the sum of its proper divisors (32957970172360).

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

21113524566200 is a wasteful number, since it uses less digits than its factorization.

21113524566200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93175437 (or 93175428 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 21113524566200 in words is "twenty-one trillion, one hundred thirteen billion, five hundred twenty-four million, five hundred sixty-six thousand, two hundred".