10103403221 has 16 divisors (see below), whose sum is σ = 10463943360. Its totient is φ = 9750343680.

The previous prime is 10103403181. The next prime is 10103403227. The reversal of 10103403221 is 12230430101.

It is a cyclic number.

It is not a de Polignac number, because 10103403221 - 2⁶ = 10103403157 is a prime.

It is a super-2 number, since 2×10103403221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10103403221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103403227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1045550 + ... + 1055168.

It is an arithmetic number, because the mean of its divisors is an integer number (653996460).

Almost surely, 2^10103403221 is an apocalyptic number.

It is an amenable number.

10103403221 is a deficient number, since it is larger than the sum of its proper divisors (360540139).

10103403221 is an equidigital number, since it uses as much as digits as its factorization.

10103403221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10004.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10103403221 its reverse (12230430101), we get a palindrome (22333833322).

The spelling of 10103403221 in words is "ten billion, one hundred three million, four hundred three thousand, two hundred twenty-one".