1112122223 has 4 divisors (see below), whose sum is σ = 1127356848. Its totient is φ = 1096887600.

The previous prime is 1112122199. The next prime is 1112122261. The reversal of 1112122223 is 3222212111.

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 1112122223 - 2²⁰ = 1111073647 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 (1112122523) 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, 7617203 + ... + 7617348.

It is an arithmetic number, because the mean of its divisors is an integer number (281839212).

Almost surely, 2^1112122223 is an apocalyptic number.

1112122223 is a deficient number, since it is larger than the sum of its proper divisors (15234625).

1112122223 is an equidigital number, since it uses as much as digits as its factorization.

1112122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15234624.

The product of its digits is 96, while the sum is 17.

The square root of 1112122223 is about 33348.4965628137. The cubic root of 1112122223 is about 1036.0582493721.

Adding to 1112122223 its reverse (3222212111), we get a palindrome (4334334334).

The spelling of 1112122223 in words is "one billion, one hundred twelve million, one hundred twenty-two thousand, two hundred twenty-three".