200210120122109 has 2 divisors, whose sum is σ = 200210120122110. Its totient is φ = 200210120122108.

The previous prime is 200210120122087. The next prime is 200210120122153. The reversal of 200210120122109 is 901221021012002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200031605422009 + 178514700100 = 14143253^2 + 422510^2 .

It is a cyclic number.

It is not a de Polignac number, because 200210120122109 - 2³² = 200205825154813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200210120122189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100105060061054 + 100105060061055.

It is an arithmetic number, because the mean of its divisors is an integer number (100105060061055).

Almost surely, 2^{200210120122109} is an apocalyptic number.

It is an amenable number.

200210120122109 is a deficient number, since it is larger than the sum of its proper divisors (1).

200210120122109 is an equidigital number, since it uses as much as digits as its factorization.

200210120122109 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 200210120122109 in words is "two hundred trillion, two hundred ten billion, one hundred twenty million, one hundred twenty-two thousand, one hundred nine".