203221133113100 has 72 divisors (see below), whose sum is σ = 460217429511840. Its totient is φ = 77745031598080.

The previous prime is 203221133113087. The next prime is 203221133113139. The reversal of 203221133113100 is 1311331122302.

203221133113100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203221133113100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 14390366 + ... + 24769434.

It is an arithmetic number, because the mean of its divisors is an integer number (6391908743220).

Almost surely, 2^{203221133113100} is an apocalyptic number.

203221133113100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203221133113100 is an abundant number, since it is smaller than the sum of its proper divisors (256996296398740).

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

203221133113100 is a wasteful number, since it uses less digits than its factorization.

203221133113100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10387619 (or 10387612 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 203221133113100 its reverse (1311331122302), we get a palindrome (204532464235402).

The spelling of 203221133113100 in words is "two hundred three trillion, two hundred twenty-one billion, one hundred thirty-three million, one hundred thirteen thousand, one hundred".