111044842 has 4 divisors (see below), whose sum is σ = 166567266. Its totient is φ = 55522420.

The previous prime is 111044839. The next prime is 111044893. The reversal of 111044842 is 248440111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 248440111 = 43 ⋅5777677.

It can be written as a sum of positive squares in only one way, i.e., 66569281 + 44475561 = 8159^2 + 6669^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27761209 + ... + 27761212.

Almost surely, 2^111044842 is an apocalyptic number.

111044842 is a deficient number, since it is larger than the sum of its proper divisors (55522424).

111044842 is an equidigital number, since it uses as much as digits as its factorization.

111044842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55522423.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 111044842 is about 10537.7816451092. The cubic root of 111044842 is about 480.6542611645.

Adding to 111044842 its reverse (248440111), we get a palindrome (359484953).

The spelling of 111044842 in words is "one hundred eleven million, forty-four thousand, eight hundred forty-two".