210222020201 has 2 divisors, whose sum is σ = 210222020202. Its totient is φ = 210222020200.

The previous prime is 210222020189. The next prime is 210222020209. The reversal of 210222020201 is 102020222012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183913180201 + 26308840000 = 428851^2 + 162200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210222020201 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (210222020209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105111010100 + 105111010101.

It is an arithmetic number, because the mean of its divisors is an integer number (105111010101).

Almost surely, 2^210222020201 is an apocalyptic number.

It is an amenable number.

210222020201 is a deficient number, since it is larger than the sum of its proper divisors (1).

210222020201 is an equidigital number, since it uses as much as digits as its factorization.

210222020201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 210222020201 its reverse (102020222012), we get a palindrome (312242242213).

The spelling of 210222020201 in words is "two hundred ten billion, two hundred twenty-two million, twenty thousand, two hundred one".