11100120204 has 24 divisors (see below), whose sum is σ = 26212334400. Its totient is φ = 3655460944.

The previous prime is 11100120151. The next prime is 11100120217. The reversal of 11100120204 is 40202100111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 11100120204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5571354 + ... + 5573345.

It is an arithmetic number, because the mean of its divisors is an integer number (1092180600).

Almost surely, 2^11100120204 is an apocalyptic number.

It is an amenable number.

11100120204 is an abundant number, since it is smaller than the sum of its proper divisors (15112214196).

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

11100120204 is a wasteful number, since it uses less digits than its factorization.

11100120204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11144789 (or 11144787 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11100120204 its reverse (40202100111), we get a palindrome (51302220315).

The spelling of 11100120204 in words is "eleven billion, one hundred million, one hundred twenty thousand, two hundred four".