111000312320 has 160 divisors (see below), whose sum is σ = 268730675136. Its totient is φ = 43970560000.

The previous prime is 111000312307. The next prime is 111000312361. The reversal of 111000312320 is 23213000111.

It is a tau number, because it is divible by the number of its divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 111000312295 and 111000312304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145860740 + ... + 145861500.

Almost surely, 2^111000312320 is an apocalyptic number.

111000312320 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 111000312320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134365337568).

111000312320 is an abundant number, since it is smaller than the sum of its proper divisors (157730362816).

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

111000312320 is an equidigital number, since it uses as much as digits as its factorization.

111000312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 111000312320 its reverse (23213000111), we get a palindrome (134213312431).

The spelling of 111000312320 in words is "one hundred eleven billion, three hundred twelve thousand, three hundred twenty".