130510221 has 16 divisors (see below), whose sum is σ = 186632640. Its totient is φ = 80870400.

The previous prime is 130510213. The next prime is 130510229. The reversal of 130510221 is 122015031.

It is an interprime number because it is at equal distance from previous prime (130510213) and next prime (130510229).

It is not a de Polignac number, because 130510221 - 2³ = 130510213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130510221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130510229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18580 + ... + 24621.

It is an arithmetic number, because the mean of its divisors is an integer number (11664540).

Almost surely, 2^130510221 is an apocalyptic number.

It is an amenable number.

130510221 is a deficient number, since it is larger than the sum of its proper divisors (56122419).

130510221 is a wasteful number, since it uses less digits than its factorization.

130510221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43276.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 130510221 is about 11424.1070110534. The cubic root of 130510221 is about 507.2415742047.

Adding to 130510221 its reverse (122015031), we get a palindrome (252525252).

The spelling of 130510221 in words is "one hundred thirty million, five hundred ten thousand, two hundred twenty-one".