122221001111159 has 2 divisors, whose sum is σ = 122221001111160. Its totient is φ = 122221001111158.

The previous prime is 122221001111087. The next prime is 122221001111197. The reversal of 122221001111159 is 951111100122221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122221001111159 - 2³² = 122216706143863 is a prime.

It is a super-2 number, since 2×122221001111159² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122221001111459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110500555579 + 61110500555580.

It is an arithmetic number, because the mean of its divisors is an integer number (61110500555580).

Almost surely, 2^{122221001111159} is an apocalyptic number.

122221001111159 is a deficient number, since it is larger than the sum of its proper divisors (1).

122221001111159 is an equidigital number, since it uses as much as digits as its factorization.

122221001111159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 29.

The spelling of 122221001111159 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one million, one hundred eleven thousand, one hundred fifty-nine".