111313412 has 48 divisors (see below), whose sum is σ = 231813120. Its totient is φ = 45777312.

The previous prime is 111313403. The next prime is 111313421. The reversal of 111313412 is 214313111.

It is an interprime number because it is at equal distance from previous prime (111313403) and next prime (111313421).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70253 + ... + 71819.

It is an arithmetic number, because the mean of its divisors is an integer number (4829440).

Almost surely, 2^111313412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111313412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115906560).

111313412 is an abundant number, since it is smaller than the sum of its proper divisors (120499708).

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

111313412 is a wasteful number, since it uses less digits than its factorization.

111313412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680 (or 1678 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 111313412 is about 10550.5171437233. The cubic root of 111313412 is about 481.0414482431.

Adding to 111313412 its reverse (214313111), we get a palindrome (325626523).

The spelling of 111313412 in words is "one hundred eleven million, three hundred thirteen thousand, four hundred twelve".