111404112 has 80 divisors (see below), whose sum is σ = 295731072. Its totient is φ = 36126720.

The previous prime is 111404107. The next prime is 111404113. The reversal of 111404112 is 211404111.

It is a junction number, because it is equal to n+sod(n) for n = 111404091 and 111404100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111404113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330408 + ... + 330744.

Almost surely, 2^111404112 is an apocalyptic number.

111404112 is a gapful number since it is divisible by the number (12) 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 111404112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147865536).

111404112 is an abundant number, since it is smaller than the sum of its proper divisors (184326960).

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

111404112 is a wasteful number, since it uses less digits than its factorization.

111404112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 111404112 is about 10554.8146359848. The cubic root of 111404112 is about 481.1720662692.

Adding to 111404112 its reverse (211404111), we get a palindrome (322808223).

Subtracting 111404112 from its reverse (211404111), we obtain a palindrome (99999999).

The spelling of 111404112 in words is "one hundred eleven million, four hundred four thousand, one hundred twelve".