111312100331320 has 64 divisors (see below), whose sum is σ = 286252404364800. Its totient is φ = 38161310121600.

The previous prime is 111312100331317. The next prime is 111312100331357. The reversal of 111312100331320 is 23133001213111.

It is a junction number, because it is equal to n+sod(n) for n = 111312100331291 and 111312100331300.

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, 11011180 + ... + 18543739.

It is an arithmetic number, because the mean of its divisors is an integer number (4472693818200).

Almost surely, 2^{111312100331320} is an apocalyptic number.

111312100331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111312100331320 is an abundant number, since it is smaller than the sum of its proper divisors (174940304033480).

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

111312100331320 is a wasteful number, since it uses less digits than its factorization.

111312100331320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29568388 (or 29568384 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 111312100331320 its reverse (23133001213111), we get a palindrome (134445101544431).

The spelling of 111312100331320 in words is "one hundred eleven trillion, three hundred twelve billion, one hundred million, three hundred thirty-one thousand, three hundred twenty".