1222212211159 has 2 divisors, whose sum is σ = 1222212211160. Its totient is φ = 1222212211158.

The previous prime is 1222212211079. The next prime is 1222212211183. The reversal of 1222212211159 is 9511122122221.

It is a strong prime.

It is an emirp because it is prime and its reverse (9511122122221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222212211159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222212211159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222212211189) 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, 611106105579 + 611106105580.

It is an arithmetic number, because the mean of its divisors is an integer number (611106105580).

Almost surely, 2^{1222212211159} is an apocalyptic number.

1222212211159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222212211159 is an equidigital number, since it uses as much as digits as its factorization.

1222212211159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 31.

The spelling of 1222212211159 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, two hundred eleven thousand, one hundred fifty-nine".