111303230112 has 84 divisors (see below), whose sum is σ = 328542126570. Its totient is φ = 37101068928.

The previous prime is 111303230107. The next prime is 111303230123. The reversal of 111303230112 is 211032303111.

It can be written as a sum of positive squares in only one way, i.e., 110433923856 + 869306256 = 332316^2 + 29484^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2362287 + ... + 2408942.

Almost surely, 2^111303230112 is an apocalyptic number.

111303230112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111303230112 is an abundant number, since it is smaller than the sum of its proper divisors (217238896458).

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

111303230112 is an frugal number, since it uses more digits than its factorization.

111303230112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771257 (or 4771234 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 111303230112 its reverse (211032303111), we get a palindrome (322335533223).

The spelling of 111303230112 in words is "one hundred eleven billion, three hundred three million, two hundred thirty thousand, one hundred twelve".