111130320120 has 64 divisors (see below), whose sum is σ = 333758862720. Its totient is φ = 29602049664.

The previous prime is 111130320113. The next prime is 111130320121. The reversal of 111130320120 is 21023031111.

It is a happy number.

It is a super-3 number, since 3×111130320120³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111130320120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111130320121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401682 + ... + 619361.

It is an arithmetic number, because the mean of its divisors is an integer number (5214982230).

Almost surely, 2^111130320120 is an apocalyptic number.

111130320120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111130320120 is an abundant number, since it is smaller than the sum of its proper divisors (222628542600).

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

111130320120 is a wasteful number, since it uses less digits than its factorization.

111130320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021964 (or 1021960 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111130320120 its reverse (21023031111), we get a palindrome (132153351231).

The spelling of 111130320120 in words is "one hundred eleven billion, one hundred thirty million, three hundred twenty thousand, one hundred twenty".