122111002220159 has 2 divisors, whose sum is σ = 122111002220160. Its totient is φ = 122111002220158.

The previous prime is 122111002220111. The next prime is 122111002220227. The reversal of 122111002220159 is 951022200111221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122111002220159 is a prime.

It is a super-2 number, since 2×122111002220159² (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 (122111002220959) 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, 61055501110079 + 61055501110080.

It is an arithmetic number, because the mean of its divisors is an integer number (61055501110080).

Almost surely, 2^{122111002220159} is an apocalyptic number.

122111002220159 is a deficient number, since it is larger than the sum of its proper divisors (1).

122111002220159 is an equidigital number, since it uses as much as digits as its factorization.

122111002220159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

The spelling of 122111002220159 in words is "one hundred twenty-two trillion, one hundred eleven billion, two million, two hundred twenty thousand, one hundred fifty-nine".