111120230130 has 128 divisors (see below), whose sum is σ = 328682188800. Its totient is φ = 23412996864.

The previous prime is 111120230107. The next prime is 111120230167. The reversal of 111120230130 is 31032021111.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1989931 + ... + 2045009.

It is an arithmetic number, because the mean of its divisors is an integer number (2567829600).

Almost surely, 2^111120230130 is an apocalyptic number.

111120230130 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 111120230130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164341094400).

111120230130 is an abundant number, since it is smaller than the sum of its proper divisors (217561958670).

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

111120230130 is a wasteful number, since it uses less digits than its factorization.

111120230130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55848.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111120230130 its reverse (31032021111), we get a palindrome (142152251241).

The spelling of 111120230130 in words is "one hundred eleven billion, one hundred twenty million, two hundred thirty thousand, one hundred thirty".