11122012120 has 32 divisors (see below), whose sum is σ = 25448677200. Its totient is φ = 4373400448.

The previous prime is 11122012081. The next prime is 11122012123. The reversal of 11122012120 is 2121022111.

It is a self number, because there is not a number n which added to its sum of digits gives 11122012120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122012123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2353999 + ... + 2358718.

Almost surely, 2^11122012120 is an apocalyptic number.

11122012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122012120 is an abundant number, since it is smaller than the sum of its proper divisors (14326665080).

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

11122012120 is a wasteful number, since it uses less digits than its factorization.

11122012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712787 (or 4712783 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11122012120 its reverse (2121022111), we get a palindrome (13243034231).

Subtracting from 11122012120 its reverse (2121022111), we obtain a palindrome (9000990009).

The spelling of 11122012120 in words is "eleven billion, one hundred twenty-two million, twelve thousand, one hundred twenty".