111112012223 has 4 divisors (see below), whose sum is σ = 117648012960. Its totient is φ = 104576011488.

The previous prime is 111112012199. The next prime is 111112012261. The reversal of 111112012223 is 322210211111.

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 111112012223 - 2³⁰ = 110038270399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 6536000719 = 111112012223 / (1 + 1 + 1 + 1 + 1 + 2 + 0 + 1 + 2 + 2 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111112012273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3268000343 + ... + 3268000376.

It is an arithmetic number, because the mean of its divisors is an integer number (29412003240).

Almost surely, 2^111112012223 is an apocalyptic number.

111112012223 is a deficient number, since it is larger than the sum of its proper divisors (6536000737).

111112012223 is an equidigital number, since it uses as much as digits as its factorization.

111112012223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6536000736.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111112012223 its reverse (322210211111), we get a palindrome (433322223334).

The spelling of 111112012223 in words is "one hundred eleven billion, one hundred twelve million, twelve thousand, two hundred twenty-three".