203110132100 has 36 divisors (see below), whose sum is σ = 440773025700. Its totient is φ = 81239621760.

The previous prime is 203110132091. The next prime is 203110132123. The reversal of 203110132100 is 1231011302.

It can be written as a sum of positive squares in 6 ways, for example, as 11294163076 + 191815969024 = 106274^2 + 437968^2 .

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, 2275106 + ... + 2362694.

Almost surely, 2^203110132100 is an apocalyptic number.

203110132100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203110132100 is an abundant number, since it is smaller than the sum of its proper divisors (237662893600).

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

203110132100 is a wasteful number, since it uses less digits than its factorization.

203110132100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110792 (or 110785 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 203110132100 its reverse (1231011302), we get a palindrome (204341143402).

The spelling of 203110132100 in words is "two hundred three billion, one hundred ten million, one hundred thirty-two thousand, one hundred".