111220300230 has 128 divisors (see below), whose sum is σ = 294517859328. Its totient is φ = 26706903552.

The previous prime is 111220300223. The next prime is 111220300231. The reversal of 111220300230 is 32003022111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220300231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14871252 + ... + 14878728.

It is an arithmetic number, because the mean of its divisors is an integer number (2300920776).

Almost surely, 2^111220300230 is an apocalyptic number.

111220300230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111220300230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147258929664).

111220300230 is an abundant number, since it is smaller than the sum of its proper divisors (183297559098).

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

111220300230 is a wasteful number, since it uses less digits than its factorization.

111220300230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8430.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 111220300230 its reverse (32003022111), we get a palindrome (143223322341).

The spelling of 111220300230 in words is "one hundred eleven billion, two hundred twenty million, three hundred thousand, two hundred thirty".