111710042 has 4 divisors (see below), whose sum is σ = 167565066. Its totient is φ = 55855020.

The previous prime is 111710021. The next prime is 111710083. The reversal of 111710042 is 240017111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 81558961 + 30151081 = 9031^2 + 5491^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111710042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27927509 + ... + 27927512.

Almost surely, 2^111710042 is an apocalyptic number.

111710042 is a deficient number, since it is larger than the sum of its proper divisors (55855024).

111710042 is an equidigital number, since it uses as much as digits as its factorization.

111710042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55855023.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 111710042 is about 10569.2971384099. The cubic root of 111710042 is about 481.6121171340.

Adding to 111710042 its reverse (240017111), we get a palindrome (351727153).

The spelling of 111710042 in words is "one hundred eleven million, seven hundred ten thousand, forty-two".