111011223 has 8 divisors (see below), whose sum is σ = 148231936. Its totient is φ = 73899000.

The previous prime is 111011191. The next prime is 111011239. The reversal of 111011223 is 322110111.

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

It is not a de Polignac number, because 111011223 - 2⁵ = 111011191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111011199 and 111011208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111011293) 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 7 ways as a sum of consecutive naturals, for example, 24703 + ... + 28848.

It is an arithmetic number, because the mean of its divisors is an integer number (18528992).

Almost surely, 2^111011223 is an apocalyptic number.

111011223 is a deficient number, since it is larger than the sum of its proper divisors (37220713).

111011223 is an equidigital number, since it uses as much as digits as its factorization.

111011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54245.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 111011223 is about 10536.1863593997. The cubic root of 111011223 is about 480.6057499915.

Adding to 111011223 its reverse (322110111), we get a palindrome (433121334).

The spelling of 111011223 in words is "one hundred eleven million, eleven thousand, two hundred twenty-three".