10323011321221 has 4 divisors (see below), whose sum is σ = 10468405846944. Its totient is φ = 10177616795500.

The previous prime is 10323011321219. The next prime is 10323011321239. The reversal of 10323011321221 is 12212311032301.

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.

It is a cyclic number.

It is not a de Polignac number, because 10323011321221 - 2¹ = 10323011321219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10323011321192 and 10323011321201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10323011327221) 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, 72697262755 + ... + 72697262896.

It is an arithmetic number, because the mean of its divisors is an integer number (2617101461736).

Almost surely, 2^{10323011321221} is an apocalyptic number.

It is an amenable number.

10323011321221 is a deficient number, since it is larger than the sum of its proper divisors (145394525723).

10323011321221 is an equidigital number, since it uses as much as digits as its factorization.

10323011321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145394525722.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 10323011321221 its reverse (12212311032301), we get a palindrome (22535322353522).

The spelling of 10323011321221 in words is "ten trillion, three hundred twenty-three billion, eleven million, three hundred twenty-one thousand, two hundred twenty-one".