202012021011100 has 36 divisors (see below), whose sum is σ = 438369023711808. Its totient is φ = 80804266816000.

The previous prime is 202012021011023. The next prime is 202012021011113. The reversal of 202012021011100 is 1110120210202.

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, 8393685 + ... + 21782515.

It is an arithmetic number, because the mean of its divisors is an integer number (12176917325328).

Almost surely, 2^{202012021011100} is an apocalyptic number.

202012021011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202012021011100 is an abundant number, since it is smaller than the sum of its proper divisors (236357002700708).

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

202012021011100 is a wasteful number, since it uses less digits than its factorization.

202012021011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13539726 (or 13539719 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202012021011100 its reverse (1110120210202), we get a palindrome (203122141221302).

The spelling of 202012021011100 in words is "two hundred two trillion, twelve billion, twenty-one million, eleven thousand, one hundred".