200210222120221 has 2 divisors, whose sum is σ = 200210222120222. Its totient is φ = 200210222120220.

The previous prime is 200210222120201. The next prime is 200210222120269. The reversal of 200210222120221 is 122021222012002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165237913160100 + 34972308960121 = 12854490^2 + 5913739^2 .

It is a cyclic number.

It is not a de Polignac number, because 200210222120221 - 2¹⁹ = 200210221595933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200210222120201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100105111060110 + 100105111060111.

It is an arithmetic number, because the mean of its divisors is an integer number (100105111060111).

Almost surely, 2^{200210222120221} is an apocalyptic number.

It is an amenable number.

200210222120221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200210222120221 is an equidigital number, since it uses as much as digits as its factorization.

200210222120221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 200210222120221 its reverse (122021222012002), we get a palindrome (322231444132223).

The spelling of 200210222120221 in words is "two hundred trillion, two hundred ten billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twenty-one".