111012230320 has 40 divisors (see below), whose sum is σ = 261955738224. Its totient is φ = 43742130432.

The previous prime is 111012230317. The next prime is 111012230323. The reversal of 111012230320 is 23032210111.

It is an interprime number because it is at equal distance from previous prime (111012230317) and next prime (111012230323).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 111012230294 and 111012230303.

It is not an unprimeable number, because it can be changed into a prime (111012230323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10350259 + ... + 10360978.

Almost surely, 2^111012230320 is an apocalyptic number.

111012230320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111012230320 is an abundant number, since it is smaller than the sum of its proper divisors (150943507904).

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

111012230320 is a wasteful number, since it uses less digits than its factorization.

111012230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20711317 (or 20711311 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 111012230320 its reverse (23032210111), we get a palindrome (134044440431).

The spelling of 111012230320 in words is "one hundred eleven billion, twelve million, two hundred thirty thousand, three hundred twenty".