112222321 has 4 divisors (see below), whose sum is σ = 118823652. Its totient is φ = 105620992.

The previous prime is 112222309. The next prime is 112222333. The reversal of 112222321 is 123222211.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (112222309) and next prime (112222333).

It can be written as a sum of positive squares in 2 ways, for example, as 36723600 + 75498721 = 6060^2 + 8689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112222321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112222295 and 112222304.

It is not an unprimeable number, because it can be changed into a prime (112222301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3300640 + ... + 3300673.

It is an arithmetic number, because the mean of its divisors is an integer number (29705913).

Almost surely, 2^112222321 is an apocalyptic number.

It is an amenable number.

112222321 is a deficient number, since it is larger than the sum of its proper divisors (6601331).

112222321 is an equidigital number, since it uses as much as digits as its factorization.

112222321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6601330.

The product of its digits is 96, while the sum is 16.

The square root of 112222321 is about 10593.5037169012. The cubic root of 112222321 is about 482.3471856264.

Adding to 112222321 its reverse (123222211), we get a palindrome (235444532).

The spelling of 112222321 in words is "one hundred twelve million, two hundred twenty-two thousand, three hundred twenty-one".