12220121221159 has 2 divisors, whose sum is σ = 12220121221160. Its totient is φ = 12220121221158.

The previous prime is 12220121221151. The next prime is 12220121221283. The reversal of 12220121221159 is 95112212102221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12220121221159 - 2³ = 12220121221151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12220121221159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220121221151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110060610579 + 6110060610580.

It is an arithmetic number, because the mean of its divisors is an integer number (6110060610580).

Almost surely, 2^{12220121221159} is an apocalyptic number.

12220121221159 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220121221159 is an equidigital number, since it uses as much as digits as its factorization.

12220121221159 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 12220121221159 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred fifty-nine".