111116120 has 16 divisors (see below), whose sum is σ = 250011360. Its totient is φ = 44446432.

The previous prime is 111116087. The next prime is 111116149. The reversal of 111116120 is 21611111.

It is a junction number, because it is equal to n+sod(n) for n = 111116095 and 111116104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388912 + ... + 1388991.

It is an arithmetic number, because the mean of its divisors is an integer number (15625710).

Almost surely, 2^111116120 is an apocalyptic number.

111116120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111116120 is an abundant number, since it is smaller than the sum of its proper divisors (138895240).

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

111116120 is a wasteful number, since it uses less digits than its factorization.

111116120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777914 (or 2777910 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

The square root of 111116120 is about 10541.1631236785. The cubic root of 111116120 is about 480.7570807284.

Adding to 111116120 its reverse (21611111), we get a palindrome (132727231).

The spelling of 111116120 in words is "one hundred eleven million, one hundred sixteen thousand, one hundred twenty".