111144299 has 12 divisors (see below), whose sum is σ = 129567384. Its totient is φ = 95062464.

The previous prime is 111144289. The next prime is 111144307. The reversal of 111144299 is 992441111.

It is a de Polignac number, because none of the positive numbers 2^k-111144299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111144239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23459 + ... + 27795.

It is an arithmetic number, because the mean of its divisors is an integer number (10797282).

Almost surely, 2^111144299 is an apocalyptic number.

111144299 is a deficient number, since it is larger than the sum of its proper divisors (18423085).

111144299 is an equidigital number, since it uses as much as digits as its factorization.

111144299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874 (or 4867 counting only the distinct ones).

The product of its digits is 2592, while the sum is 32.

The square root of 111144299 is about 10542.4996561537. The cubic root of 111144299 is about 480.7977172228.

The spelling of 111144299 in words is "one hundred eleven million, one hundred forty-four thousand, two hundred ninety-nine".