211120200169 has 2 divisors, whose sum is σ = 211120200170. Its totient is φ = 211120200168.

The previous prime is 211120200089. The next prime is 211120200241. The reversal of 211120200169 is 961002021112.

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., 205198128144 + 5922072025 = 452988^2 + 76955^2 .

It is a cyclic number.

It is not a de Polignac number, because 211120200169 - 2⁷ = 211120200041 is a prime.

It is a super-2 number, since 2×211120200169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211120200569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560100084 + 105560100085.

It is an arithmetic number, because the mean of its divisors is an integer number (105560100085).

Almost surely, 2^211120200169 is an apocalyptic number.

It is an amenable number.

211120200169 is a deficient number, since it is larger than the sum of its proper divisors (1).

211120200169 is an equidigital number, since it uses as much as digits as its factorization.

211120200169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 211120200169 in words is "two hundred eleven billion, one hundred twenty million, two hundred thousand, one hundred sixty-nine".