1222112211079 has 2 divisors, whose sum is σ = 1222112211080. Its totient is φ = 1222112211078.

The previous prime is 1222112211037. The next prime is 1222112211109. The reversal of 1222112211079 is 9701122112221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222112211079 - 2⁷ = 1222112210951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222112211079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222112211779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611056105539 + 611056105540.

It is an arithmetic number, because the mean of its divisors is an integer number (611056105540).

Almost surely, 2^{1222112211079} is an apocalyptic number.

1222112211079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222112211079 is an equidigital number, since it uses as much as digits as its factorization.

1222112211079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 31.

The spelling of 1222112211079 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, two hundred eleven thousand, seventy-nine".