210332122009 has 2 divisors, whose sum is σ = 210332122010. Its totient is φ = 210332122008.

The previous prime is 210332121973. The next prime is 210332122027. The reversal of 210332122009 is 900221233012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209818963600 + 513158409 = 458060^2 + 22653^2 .

It is a cyclic number.

It is not a de Polignac number, because 210332122009 - 2¹¹ = 210332119961 is a prime.

It is not a weakly prime, because it can be changed into another prime (210332126009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105166061004 + 105166061005.

It is an arithmetic number, because the mean of its divisors is an integer number (105166061005).

Almost surely, 2^210332122009 is an apocalyptic number.

It is an amenable number.

210332122009 is a deficient number, since it is larger than the sum of its proper divisors (1).

210332122009 is an equidigital number, since it uses as much as digits as its factorization.

210332122009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 210332122009 in words is "two hundred ten billion, three hundred thirty-two million, one hundred twenty-two thousand, nine".