200210211197221 has 2 divisors, whose sum is σ = 200210211197222. Its totient is φ = 200210211197220.

The previous prime is 200210211197177. The next prime is 200210211197261. The reversal of 200210211197221 is 122791112012002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136175806574721 + 64034404622500 = 11669439^2 + 8002150^2 .

It is a cyclic number.

It is not a de Polignac number, because 200210211197221 - 2¹⁹ = 200210210672933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200210211197261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100105105598610 + 100105105598611.

It is an arithmetic number, because the mean of its divisors is an integer number (100105105598611).

Almost surely, 2^{200210211197221} is an apocalyptic number.

It is an amenable number.

200210211197221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200210211197221 is an equidigital number, since it uses as much as digits as its factorization.

200210211197221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

The spelling of 200210211197221 in words is "two hundred trillion, two hundred ten billion, two hundred eleven million, one hundred ninety-seven thousand, two hundred twenty-one".