130110221 has 4 divisors (see below), whose sum is σ = 130829244. Its totient is φ = 129391200.

The previous prime is 130110209. The next prime is 130110223. The reversal of 130110221 is 122011031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 469225 + 129640996 = 685^2 + 11386^2 .

It is a cyclic number.

It is not a de Polignac number, because 130110221 - 2²⁶ = 63001357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130110223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359240 + ... + 359601.

It is an arithmetic number, because the mean of its divisors is an integer number (32707311).

Almost surely, 2^130110221 is an apocalyptic number.

It is an amenable number.

130110221 is a deficient number, since it is larger than the sum of its proper divisors (719023).

130110221 is an equidigital number, since it uses as much as digits as its factorization.

130110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719022.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 130110221 is about 11406.5867374951. The cubic root of 130110221 is about 506.7228299834.

Adding to 130110221 its reverse (122011031), we get a palindrome (252121252).

The spelling of 130110221 in words is "one hundred thirty million, one hundred ten thousand, two hundred twenty-one".