210222222201209 has 2 divisors, whose sum is σ = 210222222201210. Its totient is φ = 210222222201208.

The previous prime is 210222222201179. The next prime is 210222222201239. The reversal of 210222222201209 is 902102222222012.

It is a balanced prime because it is at equal distance from previous prime (210222222201179) and next prime (210222222201239).

It can be written as a sum of positive squares in only one way, i.e., 168278102562025 + 41944119639184 = 12972205^2 + 6476428^2 .

It is a cyclic number.

It is not a de Polignac number, because 210222222201209 - 2⁸ = 210222222200953 is a prime.

It is not a weakly prime, because it can be changed into another prime (210222222201239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105111111100604 + 105111111100605.

It is an arithmetic number, because the mean of its divisors is an integer number (105111111100605).

Almost surely, 2^{210222222201209} is an apocalyptic number.

It is an amenable number.

210222222201209 is a deficient number, since it is larger than the sum of its proper divisors (1).

210222222201209 is an equidigital number, since it uses as much as digits as its factorization.

210222222201209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 210222222201209 in words is "two hundred ten trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred one thousand, two hundred nine".