111200042 has 8 divisors (see below), whose sum is σ = 169947396. Its totient is φ = 54550912.

The previous prime is 111200003. The next prime is 111200053. The reversal of 111200042 is 240002111.

It can be written as a sum of positive squares in 2 ways, for example, as 99221521 + 11978521 = 9961^2 + 3461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 111199996 and 111200032.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524423 + ... + 524634.

Almost surely, 2^111200042 is an apocalyptic number.

111200042 is a deficient number, since it is larger than the sum of its proper divisors (58747354).

111200042 is a wasteful number, since it uses less digits than its factorization.

111200042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049112.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 111200042 is about 10545.1430526096. The cubic root of 111200042 is about 480.8780831017.

Adding to 111200042 its reverse (240002111), we get a palindrome (351202153).

The spelling of 111200042 in words is "one hundred eleven million, two hundred thousand, forty-two".