111112320000 has 440 divisors, whose sum is σ = 403795019232. Its totient is φ = 26931200000.

The previous prime is 111112319917. The next prime is 111112320041. The reversal of 111112320000 is 23211111.

It is a tau number, because it is divible by the number of its divisors (440).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21117370 + ... + 21122630.

Almost surely, 2^111112320000 is an apocalyptic number.

111112320000 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 111112320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201897509616).

111112320000 is an abundant number, since it is smaller than the sum of its proper divisors (292682699232).

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

111112320000 is an equidigital number, since it uses as much as digits as its factorization.

111112320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5315 (or 5282 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 111112320000 its reverse (23211111), we get a palindrome (111135531111).

The spelling of 111112320000 in words is "one hundred eleven billion, one hundred twelve million, three hundred twenty thousand".