21338125202 has 16 divisors (see below), whose sum is σ = 33404726592. Its totient is φ = 10203380880.

The previous prime is 21338125177. The next prime is 21338125247. The reversal of 21338125202 is 20252183312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242108 + ... + 318264.

It is an arithmetic number, because the mean of its divisors is an integer number (2087795412).

Almost surely, 2^21338125202 is an apocalyptic number.

21338125202 is a deficient number, since it is larger than the sum of its proper divisors (12066601390).

21338125202 is a wasteful number, since it uses less digits than its factorization.

21338125202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82273.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 21338125202 in words is "twenty-one billion, three hundred thirty-eight million, one hundred twenty-five thousand, two hundred two".