202220112100 has 36 divisors (see below), whose sum is σ = 440368297264. Its totient is φ = 80602210080.

The previous prime is 202220112037. The next prime is 202220112139. The reversal of 202220112100 is 1211022202.

It is a happy number.

It is a super-3 number, since 3×202220112100³ (a number of 35 digits) contains 333 as substring.

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, 3544494 + ... + 3601093.

Almost surely, 2^202220112100 is an apocalyptic number.

202220112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220112100 is an abundant number, since it is smaller than the sum of its proper divisors (238148185164).

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

202220112100 is a wasteful number, since it uses less digits than its factorization.

202220112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7145884 (or 7145877 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202220112100 its reverse (1211022202), we get a palindrome (203431134302).

The spelling of 202220112100 in words is "two hundred two billion, two hundred twenty million, one hundred twelve thousand, one hundred".