1113112223 has 4 divisors (see below), whose sum is σ = 1113307440. Its totient is φ = 1112917008.

The previous prime is 1113112193. The next prime is 1113112261. The reversal of 1113112223 is 3222113111.

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 1113112223 - 2²⁴ = 1096335007 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 (1113112123) 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 3 ways as a sum of consecutive naturals, for example, 88790 + ... + 100547.

It is an arithmetic number, because the mean of its divisors is an integer number (278326860).

Almost surely, 2^1113112223 is an apocalyptic number.

1113112223 is a deficient number, since it is larger than the sum of its proper divisors (195217).

1113112223 is an equidigital number, since it uses as much as digits as its factorization.

1113112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195216.

The product of its digits is 72, while the sum is 17.

The square root of 1113112223 is about 33363.3365088086. The cubic root of 1113112223 is about 1036.3655877326.

Adding to 1113112223 its reverse (3222113111), we get a palindrome (4335225334).

The spelling of 1113112223 in words is "one billion, one hundred thirteen million, one hundred twelve thousand, two hundred twenty-three".