111141229 has 16 divisors (see below), whose sum is σ = 118195200. Its totient is φ = 104367744.

The previous prime is 111141209. The next prime is 111141269. The reversal of 111141229 is 922141111.

It is a cyclic number.

It is not a de Polignac number, because 111141229 - 2¹⁷ = 111010157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111141209) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 136977 + ... + 137785.

It is an arithmetic number, because the mean of its divisors is an integer number (7387200).

Almost surely, 2^111141229 is an apocalyptic number.

It is an amenable number.

111141229 is a deficient number, since it is larger than the sum of its proper divisors (7053971).

111141229 is an equidigital number, since it uses as much as digits as its factorization.

111141229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972.

The product of its digits is 144, while the sum is 22.

The square root of 111141229 is about 10542.3540540052. The cubic root of 111141229 is about 480.7932903573.

The spelling of 111141229 in words is "one hundred eleven million, one hundred forty-one thousand, two hundred twenty-nine".