200130221 has 2 divisors, whose sum is σ = 200130222. Its totient is φ = 200130220.

The previous prime is 200130197. The next prime is 200130223. The reversal of 200130221 is 122031002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153412996 + 46717225 = 12386^2 + 6835^2 .

It is a cyclic number.

It is not a de Polignac number, because 200130221 - 2¹⁰ = 200129197 is a prime.

Together with 200130223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200130223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100065110 + 100065111.

It is an arithmetic number, because the mean of its divisors is an integer number (100065111).

Almost surely, 2^200130221 is an apocalyptic number.

It is an amenable number.

200130221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200130221 is an equidigital number, since it uses as much as digits as its factorization.

200130221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 200130221 is about 14146.7388821594. The cubic root of 200130221 is about 584.9304429438.

Adding to 200130221 its reverse (122031002), we get a palindrome (322161223).

The spelling of 200130221 in words is "two hundred million, one hundred thirty thousand, two hundred twenty-one".