111323310120 has 256 divisors, whose sum is σ = 417871872000. Its totient is φ = 26116819200.

The previous prime is 111323310113. The next prime is 111323310173. The reversal of 111323310120 is 21013323111.

111323310120 is a `hidden beast` number, since 1 + 11 + 323 + 310 + 1 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111323310093 and 111323310102.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 217141 + ... + 519419.

It is an arithmetic number, because the mean of its divisors is an integer number (1632312000).

Almost surely, 2^111323310120 is an apocalyptic number.

111323310120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111323310120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208935936000).

111323310120 is an abundant number, since it is smaller than the sum of its proper divisors (306548561880).

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

111323310120 is a wasteful number, since it uses less digits than its factorization.

111323310120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302341 (or 302331 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 111323310120 its reverse (21013323111), we get a palindrome (132336633231).

The spelling of 111323310120 in words is "one hundred eleven billion, three hundred twenty-three million, three hundred ten thousand, one hundred twenty".