21021202311194 has 32 divisors (see below), whose sum is σ = 33666585379200. Its totient is φ = 9822437064000.

The previous prime is 21021202311169. The next prime is 21021202311211. The reversal of 21021202311194 is 49111320212012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24721232 + ... + 25557419.

It is an arithmetic number, because the mean of its divisors is an integer number (1052080793100).

Almost surely, 2^{21021202311194} is an apocalyptic number.

21021202311194 is a deficient number, since it is larger than the sum of its proper divisors (12645383068006).

21021202311194 is a wasteful number, since it uses less digits than its factorization.

21021202311194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50278886.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 21021202311194 in words is "twenty-one trillion, twenty-one billion, two hundred two million, three hundred eleven thousand, one hundred ninety-four".