210021212102297 has 2 divisors, whose sum is σ = 210021212102298. Its totient is φ = 210021212102296.

The previous prime is 210021212102203. The next prime is 210021212102309. The reversal of 210021212102297 is 792201212120012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121944845322496 + 88076366779801 = 11042864^2 + 9384901^2 .

It is a cyclic number.

It is not a de Polignac number, because 210021212102297 - 2²⁶ = 210021144993433 is a prime.

It is not a weakly prime, because it can be changed into another prime (210021212102197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010606051148 + 105010606051149.

It is an arithmetic number, because the mean of its divisors is an integer number (105010606051149).

Almost surely, 2^{210021212102297} is an apocalyptic number.

It is an amenable number.

210021212102297 is a deficient number, since it is larger than the sum of its proper divisors (1).

210021212102297 is an equidigital number, since it uses as much as digits as its factorization.

210021212102297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 210021212102297 in words is "two hundred ten trillion, twenty-one billion, two hundred twelve million, one hundred two thousand, two hundred ninety-seven".