111108942 has 64 divisors (see below), whose sum is σ = 283829760. Its totient is φ = 31560192.

The previous prime is 111108937. The next prime is 111108967. The reversal of 111108942 is 249801111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72193 + ... + 73715.

It is an arithmetic number, because the mean of its divisors is an integer number (4434840).

Almost surely, 2^111108942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111108942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141914880).

111108942 is an abundant number, since it is smaller than the sum of its proper divisors (172720818).

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

111108942 is a wasteful number, since it uses less digits than its factorization.

111108942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734 (or 1728 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 111108942 is about 10540.8226434183. The cubic root of 111108942 is about 480.7467283492.

The spelling of 111108942 in words is "one hundred eleven million, one hundred eight thousand, nine hundred forty-two".