20002121112198 has 16 divisors (see below), whose sum is σ = 40006356952320. Its totient is φ = 6667021249416.

The previous prime is 20002121112173. The next prime is 20002121112343. The reversal of 20002121112198 is 89121112120002.

It is a congruent number.

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, 87990690 + ... + 88217717.

It is an arithmetic number, because the mean of its divisors is an integer number (2500397309520).

Almost surely, 2^{20002121112198} is an apocalyptic number.

20002121112198 is an abundant number, since it is smaller than the sum of its proper divisors (20004235840122).

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

20002121112198 is a wasteful number, since it uses less digits than its factorization.

20002121112198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176227331.

The product of its (nonzero) digits is 1152, while the sum is 30.

The spelling of 20002121112198 in words is "twenty trillion, two billion, one hundred twenty-one million, one hundred twelve thousand, one hundred ninety-eight".