10103130221 has 4 divisors (see below), whose sum is σ = 10112391744. Its totient is φ = 10093868700.

The previous prime is 10103130181. The next prime is 10103130223. The reversal of 10103130221 is 12203130101.

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: 12203130101 = 673 ⋅18132437.

It is a cyclic number.

It is not a de Polignac number, because 10103130221 - 2¹⁸ = 10102868077 is a prime.

It is a super-3 number, since 3×10103130221³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10103130196 and 10103130205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103130223) 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, 4629125 + ... + 4631306.

It is an arithmetic number, because the mean of its divisors is an integer number (2528097936).

Almost surely, 2^10103130221 is an apocalyptic number.

It is an amenable number.

10103130221 is a deficient number, since it is larger than the sum of its proper divisors (9261523).

10103130221 is an equidigital number, since it uses as much as digits as its factorization.

10103130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9261522.

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

Adding to 10103130221 its reverse (12203130101), we get a palindrome (22306260322).

The spelling of 10103130221 in words is "ten billion, one hundred three million, one hundred thirty thousand, two hundred twenty-one".