120221321301209 has 2 divisors, whose sum is σ = 120221321301210. Its totient is φ = 120221321301208.

The previous prime is 120221321301187. The next prime is 120221321301259. The reversal of 120221321301209 is 902103123122021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76859359700809 + 43361961600400 = 8766947^2 + 6584980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120221321301209 is a prime.

It is not a weakly prime, because it can be changed into another prime (120221321301259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110660650604 + 60110660650605.

It is an arithmetic number, because the mean of its divisors is an integer number (60110660650605).

Almost surely, 2^{120221321301209} is an apocalyptic number.

It is an amenable number.

120221321301209 is a deficient number, since it is larger than the sum of its proper divisors (1).

120221321301209 is an equidigital number, since it uses as much as digits as its factorization.

120221321301209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 120221321301209 in words is "one hundred twenty trillion, two hundred twenty-one billion, three hundred twenty-one million, three hundred one thousand, two hundred nine".