211120200211169 has 2 divisors, whose sum is σ = 211120200211170. Its totient is φ = 211120200211168.

The previous prime is 211120200211093. The next prime is 211120200211171. The reversal of 211120200211169 is 961112002021112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134916239469025 + 76203960742144 = 11615345^2 + 8729488^2 .

It is a cyclic number.

It is not a de Polignac number, because 211120200211169 - 2¹² = 211120200207073 is a prime.

It is a super-2 number, since 2×211120200211169² (a number of 29 digits) contains 22 as substring.

Together with 211120200211171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (211120200211189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560100105584 + 105560100105585.

It is an arithmetic number, because the mean of its divisors is an integer number (105560100105585).

Almost surely, 2^{211120200211169} is an apocalyptic number.

It is an amenable number.

211120200211169 is a deficient number, since it is larger than the sum of its proper divisors (1).

211120200211169 is an equidigital number, since it uses as much as digits as its factorization.

211120200211169 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 29.

The spelling of 211120200211169 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred million, two hundred eleven thousand, one hundred sixty-nine".