120020021112209 has 2 divisors, whose sum is σ = 120020021112210. Its totient is φ = 120020021112208.

The previous prime is 120020021112203. The next prime is 120020021112263. The reversal of 120020021112209 is 902211120020021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117570649000000 + 2449372112209 = 10843000^2 + 1565047^2 .

It is a cyclic number.

It is not a de Polignac number, because 120020021112209 - 2⁴ = 120020021112193 is a prime.

It is not a weakly prime, because it can be changed into another prime (120020021112203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010010556104 + 60010010556105.

It is an arithmetic number, because the mean of its divisors is an integer number (60010010556105).

Almost surely, 2^{120020021112209} is an apocalyptic number.

It is an amenable number.

120020021112209 is a deficient number, since it is larger than the sum of its proper divisors (1).

120020021112209 is an equidigital number, since it uses as much as digits as its factorization.

120020021112209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 120020021112209 in words is "one hundred twenty trillion, twenty billion, twenty-one million, one hundred twelve thousand, two hundred nine".