202000021222100 has 36 divisors (see below), whose sum is σ = 438340827495648. Its totient is φ = 80799864444000.

The previous prime is 202000021222091. The next prime is 202000021222141. The reversal of 202000021222100 is 1222120000202.

It is a congruent number.

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, 68058095 + ... + 70964105.

Almost surely, 2^{202000021222100} is an apocalyptic number.

202000021222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202000021222100 is an abundant number, since it is smaller than the sum of its proper divisors (236340806273548).

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

202000021222100 is a wasteful number, since it uses less digits than its factorization.

202000021222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601136 (or 3601129 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202000021222100 its reverse (1222120000202), we get a palindrome (203222141222302).

The spelling of 202000021222100 in words is "two hundred two trillion, twenty-one million, two hundred twenty-two thousand, one hundred".