130200221 has 2 divisors, whose sum is σ = 130200222. Its totient is φ = 130200220.

The previous prime is 130200193. The next prime is 130200247. The reversal of 130200221 is 122002031.

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., 116877721 + 13322500 = 10811^2 + 3650^2 .

It is a cyclic number.

It is not a de Polignac number, because 130200221 - 2⁶ = 130200157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130200271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65100110 + 65100111.

It is an arithmetic number, because the mean of its divisors is an integer number (65100111).

Almost surely, 2^130200221 is an apocalyptic number.

It is an amenable number.

130200221 is a deficient number, since it is larger than the sum of its proper divisors (1).

130200221 is an equidigital number, since it uses as much as digits as its factorization.

130200221 is an odious number, because the sum of its binary digits is odd.

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

The square root of 130200221 is about 11410.5311445173. The cubic root of 130200221 is about 506.8396400312.

Adding to 130200221 its reverse (122002031), we get a palindrome (252202252).

The spelling of 130200221 in words is "one hundred thirty million, two hundred thousand, two hundred twenty-one".