11100100220118 has 96 divisors (see below), whose sum is σ = 29603534216256. Its totient is φ = 2927175853824.

The previous prime is 11100100219919. The next prime is 11100100220119. The reversal of 11100100220118 is 81102200100111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 11100100220118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100100220119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14655996 + ... + 15394752.

It is an arithmetic number, because the mean of its divisors is an integer number (308370148086).

Almost surely, 2^{11100100220118} is an apocalyptic number.

11100100220118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11100100220118 is an abundant number, since it is smaller than the sum of its proper divisors (18503433996138).

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

11100100220118 is a wasteful number, since it uses less digits than its factorization.

11100100220118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747958 (or 747955 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11100100220118 its reverse (81102200100111), we get a palindrome (92202300320229).

The spelling of 11100100220118 in words is "eleven trillion, one hundred billion, one hundred million, two hundred twenty thousand, one hundred eighteen".