11323210013021 has 4 divisors (see below), whose sum is σ = 11815523491872. Its totient is φ = 10830896534172.

The previous prime is 11323210013009. The next prime is 11323210013147. The reversal of 11323210013021 is 12031001232311.

It is a happy number.

11323210013021 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.

It is not a de Polignac number, because 11323210013021 - 2⁴² = 6925163501917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11323210012984 and 11323210013002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323210015021) 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, 246156739391 + ... + 246156739436.

It is an arithmetic number, because the mean of its divisors is an integer number (2953880872968).

Almost surely, 2^{11323210013021} is an apocalyptic number.

It is an amenable number.

11323210013021 is a deficient number, since it is larger than the sum of its proper divisors (492313478851).

11323210013021 is an equidigital number, since it uses as much as digits as its factorization.

11323210013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492313478850.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11323210013021 its reverse (12031001232311), we get a palindrome (23354211245332).

The spelling of 11323210013021 in words is "eleven trillion, three hundred twenty-three billion, two hundred ten million, thirteen thousand, twenty-one".