11112120120 has 64 divisors (see below), whose sum is σ = 34149457440. Its totient is φ = 2890956800.

The previous prime is 11112120109. The next prime is 11112120133. The reversal of 11112120120 is 2102121111.

It is a super-2 number, since 2×11112120120² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 11112120096 and 11112120105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1124361 + ... + 1134200.

Almost surely, 2^11112120120 is an apocalyptic number.

11112120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112120120 is an abundant number, since it is smaller than the sum of its proper divisors (23037337320).

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

11112120120 is a wasteful number, since it uses less digits than its factorization.

11112120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258616 (or 2258612 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11112120120 its reverse (2102121111), we get a palindrome (13214241231).

Subtracting from 11112120120 its reverse (2102121111), we obtain a palindrome (9009999009).

The spelling of 11112120120 in words is "eleven billion, one hundred twelve million, one hundred twenty thousand, one hundred twenty".