1220011012159 has 2 divisors, whose sum is σ = 1220011012160. Its totient is φ = 1220011012158.

The previous prime is 1220011012141. The next prime is 1220011012223. The reversal of 1220011012159 is 9512101100221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220011012159 - 2³³ = 1211421077567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220011010159) 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, 610005506079 + 610005506080.

It is an arithmetic number, because the mean of its divisors is an integer number (610005506080).

Almost surely, 2^{1220011012159} is an apocalyptic number.

1220011012159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220011012159 is an equidigital number, since it uses as much as digits as its factorization.

1220011012159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 25.

The spelling of 1220011012159 in words is "one trillion, two hundred twenty billion, eleven million, twelve thousand, one hundred fifty-nine".