1220222042159 has 2 divisors, whose sum is σ = 1220222042160. Its totient is φ = 1220222042158.

The previous prime is 1220222042101. The next prime is 1220222042197. The reversal of 1220222042159 is 9512402220221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220222042159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220222012159) 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, 610111021079 + 610111021080.

It is an arithmetic number, because the mean of its divisors is an integer number (610111021080).

Almost surely, 2^{1220222042159} is an apocalyptic number.

1220222042159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220222042159 is an equidigital number, since it uses as much as digits as its factorization.

1220222042159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 1220222042159 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, forty-two thousand, one hundred fifty-nine".