211210200121229 has 2 divisors, whose sum is σ = 211210200121230. Its totient is φ = 211210200121228.

The previous prime is 211210200121121. The next prime is 211210200121253. The reversal of 211210200121229 is 922121002012112.

211210200121229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187534482428329 + 23675717692900 = 13694323^2 + 4865770^2 .

It is a cyclic number.

It is not a de Polignac number, because 211210200121229 - 2⁸ = 211210200120973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211210200121198 and 211210200121207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211210200121729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605100060614 + 105605100060615.

It is an arithmetic number, because the mean of its divisors is an integer number (105605100060615).

Almost surely, 2^{211210200121229} is an apocalyptic number.

It is an amenable number.

211210200121229 is a deficient number, since it is larger than the sum of its proper divisors (1).

211210200121229 is an equidigital number, since it uses as much as digits as its factorization.

211210200121229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 211210200121229 in words is "two hundred eleven trillion, two hundred ten billion, two hundred million, one hundred twenty-one thousand, two hundred twenty-nine".