111000442 has 32 divisors (see below), whose sum is σ = 194067072. Its totient is φ = 46635264.

The previous prime is 111000437. The next prime is 111000457. The reversal of 111000442 is 244000111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319713 + ... + 320059.

It is an arithmetic number, because the mean of its divisors is an integer number (6064596).

Almost surely, 2^111000442 is an apocalyptic number.

111000442 is a deficient number, since it is larger than the sum of its proper divisors (83066630).

111000442 is a wasteful number, since it uses less digits than its factorization.

111000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 111000442 is about 10535.6747292236. The cubic root of 111000442 is about 480.5901912693.

Adding to 111000442 its reverse (244000111), we get a palindrome (355000553).

The spelling of 111000442 in words is "one hundred eleven million, four hundred forty-two", and thus it is an aban number.