100111220200100 has 36 divisors (see below), whose sum is σ = 218008985167344. Its totient is φ = 39902988110880.

The previous prime is 100111220200087. The next prime is 100111220200157. The reversal of 100111220200100 is 1002022111001.

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, 1768721174 + ... + 1768777773.

Almost surely, 2^{100111220200100} is an apocalyptic number.

100111220200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100111220200100 is an abundant number, since it is smaller than the sum of its proper divisors (117897764967244).

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

100111220200100 is a wasteful number, since it uses less digits than its factorization.

100111220200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537499244 (or 3537499237 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100111220200100 its reverse (1002022111001), we get a palindrome (101113242311101).

The spelling of 100111220200100 in words is "one hundred trillion, one hundred eleven billion, two hundred twenty million, two hundred thousand, one hundred".