111130444 has 12 divisors (see below), whose sum is σ = 195963768. Its totient is φ = 55140800.

The previous prime is 111130433. The next prime is 111130463. The reversal of 111130444 is 444031111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105517 + ... + 106564.

It is an arithmetic number, because the mean of its divisors is an integer number (16330314).

Almost surely, 2^111130444 is an apocalyptic number.

It is an amenable number.

111130444 is a deficient number, since it is larger than the sum of its proper divisors (84833324).

111130444 is a wasteful number, since it uses less digits than its factorization.

111130444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212216 (or 212214 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 111130444 is about 10541.8425334474. The cubic root of 111130444 is about 480.7777380028. Note that the first 4 decimals are identical.

Adding to 111130444 its reverse (444031111), we get a palindrome (555161555).

The spelling of 111130444 in words is "one hundred eleven million, one hundred thirty thousand, four hundred forty-four".