11101122100120 has 64 divisors (see below), whose sum is σ = 28481159437920. Its totient is φ = 3857765505024.

The previous prime is 11101122100093. The next prime is 11101122100129. The reversal of 11101122100120 is 2100122110111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 11101122100120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101122100129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627882682 + ... + 627900361.

Almost surely, 2^{11101122100120} is an apocalyptic number.

11101122100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101122100120 is an abundant number, since it is smaller than the sum of its proper divisors (17380037337800).

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

11101122100120 is a wasteful number, since it uses less digits than its factorization.

11101122100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255783084 (or 1255783080 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11101122100120 its reverse (2100122110111), we get a palindrome (13201244210231).

Subtracting from 11101122100120 its reverse (2100122110111), we obtain a palindrome (9000999990009).

It can be divided in two parts, 11101 and 122100120, that added together give a palindrome (122111221).

The spelling of 11101122100120 in words is "eleven trillion, one hundred one billion, one hundred twenty-two million, one hundred thousand, one hundred twenty".