10324311221 has 12 divisors (see below), whose sum is σ = 12015193932. Its totient is φ = 8845518528.

The previous prime is 10324311211. The next prime is 10324311227. The reversal of 10324311221 is 12211342301.

10324311221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 990046225 + 9334264996 = 31465^2 + 96614^2 .

It is not a de Polignac number, because 10324311221 - 2¹⁰ = 10324310197 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10324311193 and 10324311202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10324311227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69161 + ... + 159473.

It is an arithmetic number, because the mean of its divisors is an integer number (1001266161).

Almost surely, 2^10324311221 is an apocalyptic number.

It is an amenable number.

10324311221 is a deficient number, since it is larger than the sum of its proper divisors (1690882711).

10324311221 is an equidigital number, since it uses as much as digits as its factorization.

10324311221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92660 (or 92653 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10324311221 its reverse (12211342301), we get a palindrome (22535653522).

The spelling of 10324311221 in words is "ten billion, three hundred twenty-four million, three hundred eleven thousand, two hundred twenty-one".