100133211100 has 72 divisors (see below), whose sum is σ = 234079358240. Its totient is φ = 36960295680.

The previous prime is 100133211097. The next prime is 100133211119. The reversal of 100133211100 is 1112331001.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

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, 4686241 + ... + 4707559.

Almost surely, 2^100133211100 is an apocalyptic number.

100133211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100133211100 is an abundant number, since it is smaller than the sum of its proper divisors (133946147140).

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

100133211100 is a wasteful number, since it uses less digits than its factorization.

100133211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24959 (or 24952 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 100133211100 its reverse (1112331001), we get a palindrome (101245542101).

The spelling of 100133211100 in words is "one hundred billion, one hundred thirty-three million, two hundred eleven thousand, one hundred".