111013123320 has 128 divisors (see below), whose sum is σ = 403684128000. Its totient is φ = 26912269440.

The previous prime is 111013123301. The next prime is 111013123337. The reversal of 111013123320 is 23321310111.

111013123320 is a `hidden beast` number, since 11 + 10 + 1 + 312 + 332 + 0 = 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 = 111013123293 and 111013123302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4660390 + ... + 4684149.

It is an arithmetic number, because the mean of its divisors is an integer number (3153782250).

Almost surely, 2^111013123320 is an apocalyptic number.

111013123320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111013123320 is an abundant number, since it is smaller than the sum of its proper divisors (292671004680).

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

111013123320 is a wasteful number, since it uses less digits than its factorization.

111013123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9344570 (or 9344560 counting only the distinct ones).

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

Adding to 111013123320 its reverse (23321310111), we get a palindrome (134334433431).

The spelling of 111013123320 in words is "one hundred eleven billion, thirteen million, one hundred twenty-three thousand, three hundred twenty".