111120230320 has 320 divisors, whose sum is σ = 303741809280. Its totient is φ = 37416960000.

The previous prime is 111120230317. The next prime is 111120230321. The reversal of 111120230320 is 23032021111.

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 = 111120230294 and 111120230303.

It is not an unprimeable number, because it can be changed into a prime (111120230321) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 63824650 + ... + 63826390.

It is an arithmetic number, because the mean of its divisors is an integer number (949193154).

Almost surely, 2^111120230320 is an apocalyptic number.

111120230320 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 111120230320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151870904640).

111120230320 is an abundant number, since it is smaller than the sum of its proper divisors (192621578960).

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

111120230320 is a wasteful number, since it uses less digits than its factorization.

111120230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896 (or 1890 counting only the distinct ones).

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

Adding to 111120230320 its reverse (23032021111), we get a palindrome (134152251431).

The spelling of 111120230320 in words is "one hundred eleven billion, one hundred twenty million, two hundred thirty thousand, three hundred twenty".