112221211222279 has 2 divisors, whose sum is σ = 112221211222280. Its totient is φ = 112221211222278.

The previous prime is 112221211222273. The next prime is 112221211222333. The reversal of 112221211222279 is 972222112122211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112221211222279 - 2¹⁵ = 112221211189511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112221211222273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110605611139 + 56110605611140.

It is an arithmetic number, because the mean of its divisors is an integer number (56110605611140).

Almost surely, 2^{112221211222279} is an apocalyptic number.

112221211222279 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221211222279 is an equidigital number, since it uses as much as digits as its factorization.

112221211222279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 37.

The spelling of 112221211222279 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred eleven million, two hundred twenty-two thousand, two hundred seventy-nine".