210220211010169 has 2 divisors, whose sum is σ = 210220211010170. Its totient is φ = 210220211010168.

The previous prime is 210220211010167. The next prime is 210220211010289. The reversal of 210220211010169 is 961010112022012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210206937205225 + 13273804944 = 14498515^2 + 115212^2 .

It is a cyclic number.

It is not a de Polignac number, because 210220211010169 - 2¹ = 210220211010167 is a prime.

It is a super-2 number, since 2×210220211010169² (a number of 29 digits) contains 22 as substring.

Together with 210220211010167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (210220211010167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105110105505084 + 105110105505085.

It is an arithmetic number, because the mean of its divisors is an integer number (105110105505085).

Almost surely, 2^{210220211010169} is an apocalyptic number.

It is an amenable number.

210220211010169 is a deficient number, since it is larger than the sum of its proper divisors (1).

210220211010169 is an equidigital number, since it uses as much as digits as its factorization.

210220211010169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 210220211010169 in words is "two hundred ten trillion, two hundred twenty billion, two hundred eleven million, ten thousand, one hundred sixty-nine".