213222100320209 has 2 divisors, whose sum is σ = 213222100320210. Its totient is φ = 213222100320208.

The previous prime is 213222100320169. The next prime is 213222100320227. The reversal of 213222100320209 is 902023001222312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212281898590609 + 940201729600 = 14569897^2 + 969640^2 .

It is a cyclic number.

It is not a de Polignac number, because 213222100320209 - 2²⁰ = 213222099271633 is a prime.

It is a super-2 number, since 2×213222100320209² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213222100320239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106611050160104 + 106611050160105.

It is an arithmetic number, because the mean of its divisors is an integer number (106611050160105).

Almost surely, 2^{213222100320209} is an apocalyptic number.

It is an amenable number.

213222100320209 is a deficient number, since it is larger than the sum of its proper divisors (1).

213222100320209 is an equidigital number, since it uses as much as digits as its factorization.

213222100320209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 213222100320209 in words is "two hundred thirteen trillion, two hundred twenty-two billion, one hundred million, three hundred twenty thousand, two hundred nine".