10130221 has 4 divisors (see below), whose sum is σ = 10175872. Its totient is φ = 10084572.

The previous prime is 10130213. The next prime is 10130231. The reversal of 10130221 is 12203101.

10130221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 12203101 = 239 ⋅51059.

It is a cyclic number.

It is not a de Polignac number, because 10130221 - 2³ = 10130213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10130198 and 10130207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10130231) 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, 22491 + ... + 22936.

It is an arithmetic number, because the mean of its divisors is an integer number (2543968).

Almost surely, 2^10130221 is an apocalyptic number.

It is an amenable number.

10130221 is a deficient number, since it is larger than the sum of its proper divisors (45651).

10130221 is an equidigital number, since it uses as much as digits as its factorization.

10130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45650.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 10130221 is about 3182.8008106069. The cubic root of 10130221 is about 216.3746142675.

Adding to 10130221 its reverse (12203101), we get a palindrome (22333322).

The spelling of 10130221 in words is "ten million, one hundred thirty thousand, two hundred twenty-one".