111190810042 has 8 divisors (see below), whose sum is σ = 179615923956. Its totient is φ = 51318835392.

The previous prime is 111190810019. The next prime is 111190810061. The reversal of 111190810042 is 240018091111.

It can be written as a sum of positive squares in 2 ways, for example, as 88733090161 + 22457719881 = 297881^2 + 149859^2 .

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

It is a super-2 number, since 2×111190810042² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2138284783 + ... + 2138284834.

Almost surely, 2^111190810042 is an apocalyptic number.

111190810042 is a deficient number, since it is larger than the sum of its proper divisors (68425113914).

111190810042 is a wasteful number, since it uses less digits than its factorization.

111190810042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276569632.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 111190810042 in words is "one hundred eleven billion, one hundred ninety million, eight hundred ten thousand, forty-two".