202115104100 has 72 divisors (see below), whose sum is σ = 539802825408. Its totient is φ = 63966096000.

The previous prime is 202115104069. The next prime is 202115104117. The reversal of 202115104100 is 1401511202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11096126 + ... + 11114325.

It is an arithmetic number, because the mean of its divisors is an integer number (7497261464).

Almost surely, 2^202115104100 is an apocalyptic number.

202115104100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202115104100 is an abundant number, since it is smaller than the sum of its proper divisors (337687721308).

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

202115104100 is a wasteful number, since it uses less digits than its factorization.

202115104100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22210485 (or 22210478 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 202115104100 its reverse (1401511202), we get a palindrome (203516615302).

The spelling of 202115104100 in words is "two hundred two billion, one hundred fifteen million, one hundred four thousand, one hundred".