202101112100 has 36 divisors (see below), whose sum is σ = 441185553984. Its totient is φ = 80356363680.

The previous prime is 202101112039. The next prime is 202101112139. The reversal of 202101112100 is 1211101202.

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, 6034232 + ... + 6067631.

Almost surely, 2^202101112100 is an apocalyptic number.

202101112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202101112100 is an abundant number, since it is smaller than the sum of its proper divisors (239084441884).

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

202101112100 is a wasteful number, since it uses less digits than its factorization.

202101112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12102044 (or 12102037 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 202101112100 its reverse (1211101202), we get a palindrome (203312213302).

The spelling of 202101112100 in words is "two hundred two billion, one hundred one million, one hundred twelve thousand, one hundred".