121332220159 has 2 divisors, whose sum is σ = 121332220160. Its totient is φ = 121332220158.

The previous prime is 121332220109. The next prime is 121332220171. The reversal of 121332220159 is 951022233121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121332220159 - 2¹⁵ = 121332187391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121332220159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121332220109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60666110079 + 60666110080.

It is an arithmetic number, because the mean of its divisors is an integer number (60666110080).

Almost surely, 2^121332220159 is an apocalyptic number.

121332220159 is a deficient number, since it is larger than the sum of its proper divisors (1).

121332220159 is an equidigital number, since it uses as much as digits as its factorization.

121332220159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 121332220159 in words is "one hundred twenty-one billion, three hundred thirty-two million, two hundred twenty thousand, one hundred fifty-nine".