120121120002209 has 2 divisors, whose sum is σ = 120121120002210. Its totient is φ = 120121120002208.

The previous prime is 120121120002119. The next prime is 120121120002239. The reversal of 120121120002209 is 902200021121021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76229103741184 + 43892016261025 = 8730928^2 + 6625105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120121120002209 is a prime.

It is not a weakly prime, because it can be changed into another prime (120121120002239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060560001104 + 60060560001105.

It is an arithmetic number, because the mean of its divisors is an integer number (60060560001105).

Almost surely, 2^{120121120002209} is an apocalyptic number.

It is an amenable number.

120121120002209 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121120002209 is an equidigital number, since it uses as much as digits as its factorization.

120121120002209 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 120121120002209 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred twenty million, two thousand, two hundred nine".