211012220002069 has 2 divisors, whose sum is σ = 211012220002070. Its totient is φ = 211012220002068.

The previous prime is 211012220001937. The next prime is 211012220002079. The reversal of 211012220002069 is 960200022210112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192924738370225 + 18087481631844 = 13889735^2 + 4252938^2 .

It is a cyclic number.

It is not a de Polignac number, because 211012220002069 - 2³⁹ = 210462464188181 is a prime.

It is a super-2 number, since 2×211012220002069² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211012220002079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105506110001034 + 105506110001035.

It is an arithmetic number, because the mean of its divisors is an integer number (105506110001035).

Almost surely, 2^{211012220002069} is an apocalyptic number.

It is an amenable number.

211012220002069 is a deficient number, since it is larger than the sum of its proper divisors (1).

211012220002069 is an equidigital number, since it uses as much as digits as its factorization.

211012220002069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 211012220002069 in words is "two hundred eleven trillion, twelve billion, two hundred twenty million, two thousand, sixty-nine".