111130203120 has 80 divisors (see below), whose sum is σ = 344546697600. Its totient is φ = 29631016192.

The previous prime is 111130203071. The next prime is 111130203143. The reversal of 111130203120 is 21302031111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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 111130203120.

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, 2276731 + ... + 2325029.

It is an arithmetic number, because the mean of its divisors is an integer number (4306833720).

Almost surely, 2^111130203120 is an apocalyptic number.

111130203120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111130203120 is an abundant number, since it is smaller than the sum of its proper divisors (233416494480).

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

111130203120 is a wasteful number, since it uses less digits than its factorization.

111130203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57902 (or 57896 counting only the distinct ones).

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

Adding to 111130203120 its reverse (21302031111), we get a palindrome (132432234231).

The spelling of 111130203120 in words is "one hundred eleven billion, one hundred thirty million, two hundred three thousand, one hundred twenty".