1112213243 has 2 divisors, whose sum is σ = 1112213244. Its totient is φ = 1112213242.

The previous prime is 1112213237. The next prime is 1112213269. The reversal of 1112213243 is 3423122111.

It is a weak prime.

It is an emirp because it is prime and its reverse (3423122111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112213243 - 2⁸ = 1112212987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1112215243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556106621 + 556106622.

It is an arithmetic number, because the mean of its divisors is an integer number (556106622).

Almost surely, 2^1112213243 is an apocalyptic number.

1112213243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112213243 is an equidigital number, since it uses as much as digits as its factorization.

1112213243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 1112213243 is about 33349.8612141040. The cubic root of 1112213243 is about 1036.0865134866.

Adding to 1112213243 its reverse (3423122111), we get a palindrome (4535335354).

The spelling of 1112213243 in words is "one billion, one hundred twelve million, two hundred thirteen thousand, two hundred forty-three".