11122112120 has 48 divisors (see below), whose sum is σ = 29110431240. Its totient is φ = 3813294912.

The previous prime is 11122112117. The next prime is 11122112167. The reversal of 11122112120 is 2121122111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11122112095 and 11122112104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2835314 + ... + 2839233.

Almost surely, 2^11122112120 is an apocalyptic number.

11122112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122112120 is an abundant number, since it is smaller than the sum of its proper divisors (17988319120).

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

11122112120 is a wasteful number, since it uses less digits than its factorization.

11122112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5674572 (or 5674561 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11122112120 its reverse (2121122111), we get a palindrome (13243234231).

Subtracting from 11122112120 its reverse (2121122111), we obtain a palindrome (9000990009).

The spelling of 11122112120 in words is "eleven billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twenty".