111244442 has 8 divisors (see below), whose sum is σ = 167615616. Its totient is φ = 55372572.

The previous prime is 111244423. The next prime is 111244451. The reversal of 111244442 is 244442111.

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, 124268 + ... + 125159.

It is an arithmetic number, because the mean of its divisors is an integer number (20951952).

Almost surely, 2^111244442 is an apocalyptic number.

111244442 is a deficient number, since it is larger than the sum of its proper divisors (56371174).

111244442 is a wasteful number, since it uses less digits than its factorization.

111244442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249652.

The product of its digits is 1024, while the sum is 23.

The square root of 111244442 is about 10547.2480771052. The cubic root of 111244442 is about 480.9420763204.

Adding to 111244442 its reverse (244442111), we get a palindrome (355686553).

It can be divided in two parts, 1112 and 44442, that added together give a palindrome (45554).

The spelling of 111244442 in words is "one hundred eleven million, two hundred forty-four thousand, four hundred forty-two".