111223222223 has 4 divisors (see below), whose sum is σ = 111233428680. Its totient is φ = 111213015768.

The previous prime is 111223222199. The next prime is 111223222237. The reversal of 111223222223 is 322222322111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111223222223 - 2¹⁶ = 111223156687 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 (111223227223) 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, 5086865 + ... + 5108682.

It is an arithmetic number, because the mean of its divisors is an integer number (27808357170).

Almost surely, 2^111223222223 is an apocalyptic number.

111223222223 is a deficient number, since it is larger than the sum of its proper divisors (10206457).

111223222223 is a wasteful number, since it uses less digits than its factorization.

111223222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10206456.

The product of its digits is 1152, while the sum is 23.

Adding to 111223222223 its reverse (322222322111), we get a palindrome (433445544334).

The spelling of 111223222223 in words is "one hundred eleven billion, two hundred twenty-three million, two hundred twenty-two thousand, two hundred twenty-three".