110991442 has 8 divisors (see below), whose sum is σ = 166735116. Its totient is φ = 55413072.

The previous prime is 110991431. The next prime is 110991451. The reversal of 110991442 is 244199011.

It can be written as a sum of positive squares in 2 ways, for example, as 107308881 + 3682561 = 10359^2 + 1919^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39633 + ... + 42340.

Almost surely, 2^110991442 is an apocalyptic number.

110991442 is a deficient number, since it is larger than the sum of its proper divisors (55743674).

110991442 is an equidigital number, since it uses as much as digits as its factorization.

110991442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82652.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 110991442 is about 10535.2476003177. The cubic root of 110991442 is about 480.5772020459.

The spelling of 110991442 in words is "one hundred ten million, nine hundred ninety-one thousand, four hundred forty-two".