111226231 has 8 divisors (see below), whose sum is σ = 114437744. Its totient is φ = 108060480.

The previous prime is 111226211. The next prime is 111226289. The reversal of 111226231 is 132622111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111226231 - 2⁷ = 111226103 is a prime.

It is a super-2 number, since 2×111226231² = 24742548924930722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111226199 and 111226208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111226201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6480 + ... + 16261.

It is an arithmetic number, because the mean of its divisors is an integer number (14304718).

Almost surely, 2^111226231 is an apocalyptic number.

111226231 is a deficient number, since it is larger than the sum of its proper divisors (3211513).

111226231 is an equidigital number, since it uses as much as digits as its factorization.

111226231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22881.

The product of its digits is 144, while the sum is 19.

The square root of 111226231 is about 10546.3847360126. The cubic root of 111226231 is about 480.9158310718.

Adding to 111226231 its reverse (132622111), we get a palindrome (243848342).

The spelling of 111226231 in words is "one hundred eleven million, two hundred twenty-six thousand, two hundred thirty-one".