130113221 has 4 divisors (see below), whose sum is σ = 148700832. Its totient is φ = 111525612.

The previous prime is 130113209. The next prime is 130113233. The reversal of 130113221 is 122311031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122311031 = 2011 ⋅60821.

It is an interprime number because it is at equal distance from previous prime (130113209) and next prime (130113233).

It is a cyclic number.

It is not a de Polignac number, because 130113221 - 2¹⁰ = 130112197 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 130113196 and 130113205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130113281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9293795 + ... + 9293808.

It is an arithmetic number, because the mean of its divisors is an integer number (37175208).

Almost surely, 2^130113221 is an apocalyptic number.

It is an amenable number.

130113221 is a deficient number, since it is larger than the sum of its proper divisors (18587611).

130113221 is an equidigital number, since it uses as much as digits as its factorization.

130113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18587610.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 130113221 is about 11406.7182397042. The cubic root of 130113221 is about 506.7267245193.

Adding to 130113221 its reverse (122311031), we get a palindrome (252424252).

The spelling of 130113221 in words is "one hundred thirty million, one hundred thirteen thousand, two hundred twenty-one".