202221110112100 has 36 divisors (see below), whose sum is σ = 439011685176064. Its totient is φ = 80853075154080.

The previous prime is 202221110112041. The next prime is 202221110112113. The reversal of 202221110112100 is 1211011122202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441881292 + ... + 442338691.

Almost surely, 2^{202221110112100} is an apocalyptic number.

202221110112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202221110112100 is an abundant number, since it is smaller than the sum of its proper divisors (236790575063964).

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

202221110112100 is a wasteful number, since it uses less digits than its factorization.

202221110112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884222284 (or 884222277 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202221110112100 its reverse (1211011122202), we get a palindrome (203432121234302).

The spelling of 202221110112100 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred ten million, one hundred twelve thousand, one hundred".