1112212112243 has 2 divisors, whose sum is σ = 1112212112244. Its totient is φ = 1112212112242.

The previous prime is 1112212112227. The next prime is 1112212112261. The reversal of 1112212112243 is 3422112122111.

It is a weak prime.

It is an emirp because it is prime and its reverse (3422112122111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112212112243 - 2⁴ = 1112212112227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112212112213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556106056121 + 556106056122.

It is an arithmetic number, because the mean of its divisors is an integer number (556106056122).

Almost surely, 2^{1112212112243} is an apocalyptic number.

1112212112243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112212112243 is an equidigital number, since it uses as much as digits as its factorization.

1112212112243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 23.

Adding to 1112212112243 its reverse (3422112122111), we get a palindrome (4534324234354).

The spelling of 1112212112243 in words is "one trillion, one hundred twelve billion, two hundred twelve million, one hundred twelve thousand, two hundred forty-three".