11100101909120 has 128 divisors (see below), whose sum is σ = 31305356928000. Its totient is φ = 3682983075840.

The previous prime is 11100101909093. The next prime is 11100101909189. The reversal of 11100101909120 is 2190910100111.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 11100101909120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39824045 + ... + 40101804.

It is an arithmetic number, because the mean of its divisors is an integer number (244573101000).

Almost surely, 2^{11100101909120} is an apocalyptic number.

11100101909120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100101909120 is an abundant number, since it is smaller than the sum of its proper divisors (20205255018880).

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

11100101909120 is an equidigital number, since it uses as much as digits as its factorization.

11100101909120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79925906 (or 79925894 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 26.

The spelling of 11100101909120 in words is "eleven trillion, one hundred billion, one hundred one million, nine hundred nine thousand, one hundred twenty".