203240211120100 has 72 divisors (see below), whose sum is σ = 549857153014848. Its totient is φ = 63347598268800.

The previous prime is 203240211120043. The next prime is 203240211120209. The reversal of 203240211120100 is 1021112042302.

It is a super-2 number, since 2×203240211120100² (a number of 29 digits) contains 22 as substring.

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, 13197408607 + ... + 13197424006.

It is an arithmetic number, because the mean of its divisors is an integer number (7636904902984).

Almost surely, 2^{203240211120100} is an apocalyptic number.

203240211120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203240211120100 is an abundant number, since it is smaller than the sum of its proper divisors (346616941894748).

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

203240211120100 is a wasteful number, since it uses less digits than its factorization.

203240211120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26394832645 (or 26394832638 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 203240211120100 its reverse (1021112042302), we get a palindrome (204261323162402).

The spelling of 203240211120100 in words is "two hundred three trillion, two hundred forty billion, two hundred eleven million, one hundred twenty thousand, one hundred".