11101121110120 has 64 divisors (see below), whose sum is σ = 25170756272640. Its totient is φ = 4406102688000.

The previous prime is 11101121110117. The next prime is 11101121110127. The reversal of 11101121110120 is 2101112110111.

It is a self number, because there is not a number n which added to its sum of digits gives 11101121110120.

It is not an unprimeable number, because it can be changed into a prime (11101121110127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53874409 + ... + 54080071.

It is an arithmetic number, because the mean of its divisors is an integer number (393293066760).

Almost surely, 2^{11101121110120} is an apocalyptic number.

11101121110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101121110120 is an abundant number, since it is smaller than the sum of its proper divisors (14069635162520).

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

11101121110120 is a wasteful number, since it uses less digits than its factorization.

11101121110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216106 (or 216102 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11101121110120 its reverse (2101112110111), we get a palindrome (13202233220231).

Subtracting from 11101121110120 its reverse (2101112110111), we obtain a palindrome (9000009000009).

The spelling of 11101121110120 in words is "eleven trillion, one hundred one billion, one hundred twenty-one million, one hundred ten thousand, one hundred twenty".