111109994 has 8 divisors (see below), whose sum is σ = 176468868. Its totient is φ = 52287040.

The previous prime is 111109981. The next prime is 111109997. The reversal of 111109994 is 499901111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 108264025 + 2845969 = 10405^2 + 1687^2 .

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

It is not an unprimeable number, because it can be changed into a prime (111109997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1633937 + ... + 1634004.

Almost surely, 2^111109994 is an apocalyptic number.

111109994 is a deficient number, since it is larger than the sum of its proper divisors (65358874).

111109994 is a wasteful number, since it uses less digits than its factorization.

111109994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267960.

The product of its (nonzero) digits is 2916, while the sum is 35.

The square root of 111109994 is about 10540.8725445287. The cubic root of 111109994 is about 480.7482456107.

The spelling of 111109994 in words is "one hundred eleven million, one hundred nine thousand, nine hundred ninety-four".