111240112 has 20 divisors (see below), whose sum is σ = 228206376. Its totient is φ = 52348160.

The previous prime is 111240109. The next prime is 111240113. The reversal of 111240112 is 211042111.

It is a junction number, because it is equal to n+sod(n) for n = 111240092 and 111240101.

It is not an unprimeable number, because it can be changed into a prime (111240113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204214 + ... + 204757.

Almost surely, 2^111240112 is an apocalyptic number.

It is an amenable number.

111240112 is an abundant number, since it is smaller than the sum of its proper divisors (116966264).

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

111240112 is a wasteful number, since it uses less digits than its factorization.

111240112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408996 (or 408990 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 111240112 is about 10547.0428082947. The cubic root of 111240112 is about 480.9358362897.

Adding to 111240112 its reverse (211042111), we get a palindrome (322282223).

The spelling of 111240112 in words is "one hundred eleven million, two hundred forty thousand, one hundred twelve".