11112120 has 64 divisors (see below), whose sum is σ = 37044000. Its totient is φ = 2962944.

The previous prime is 11112113. The next prime is 11112137. The reversal of 11112120 is 2121111.

It is a happy number.

11112120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4065 + ... + 6224.

Almost surely, 2^11112120 is an apocalyptic number.

11112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112120 is an abundant number, since it is smaller than the sum of its proper divisors (25931880).

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

11112120 is a wasteful number, since it uses less digits than its factorization.

11112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10309 (or 10299 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 11112120 is about 3333.4846632316. The cubic root of 11112120 is about 223.1510703243.

Adding to 11112120 its reverse (2121111), we get a palindrome (13233231).

The spelling of 11112120 in words is "eleven million, one hundred twelve thousand, one hundred twenty".