111230042249 has 4 divisors (see below), whose sum is σ = 114818108160. Its totient is φ = 107641976340.

The previous prime is 111230042243. The next prime is 111230042291. The reversal of 111230042249 is 942240032111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111230042249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111230042243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1794032909 + ... + 1794032970.

It is an arithmetic number, because the mean of its divisors is an integer number (28704527040).

Almost surely, 2^111230042249 is an apocalyptic number.

It is an amenable number.

111230042249 is a deficient number, since it is larger than the sum of its proper divisors (3588065911).

111230042249 is an equidigital number, since it uses as much as digits as its factorization.

111230042249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588065910.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 111230042249 in words is "one hundred eleven billion, two hundred thirty million, forty-two thousand, two hundred forty-nine".