120201122009 has 2 divisors, whose sum is σ = 120201122010. Its totient is φ = 120201122008.

The previous prime is 120201121993. The next prime is 120201122023. The reversal of 120201122009 is 900221102021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119817745609 + 383376400 = 346147^2 + 19580^2 .

It is a cyclic number.

It is not a de Polignac number, because 120201122009 - 2⁴ = 120201121993 is a prime.

It is not a weakly prime, because it can be changed into another prime (120201122099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60100561004 + 60100561005.

It is an arithmetic number, because the mean of its divisors is an integer number (60100561005).

Almost surely, 2^120201122009 is an apocalyptic number.

It is an amenable number.

120201122009 is a deficient number, since it is larger than the sum of its proper divisors (1).

120201122009 is an equidigital number, since it uses as much as digits as its factorization.

120201122009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 120201122009 in words is "one hundred twenty billion, two hundred one million, one hundred twenty-two thousand, nine".