11320123010321 has 4 divisors (see below), whose sum is σ = 11320129900212. Its totient is φ = 11320116120432.

The previous prime is 11320123010227. The next prime is 11320123010327. The reversal of 11320123010321 is 12301032102311.

It is a happy number.

11320123010321 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 brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6172919135296 + 5147203875025 = 2484536^2 + 2268745^2 .

It is a cyclic number.

It is not a de Polignac number, because 11320123010321 - 2²⁶ = 11320055901457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11320123010293 and 11320123010302.

It is not an unprimeable number, because it can be changed into a prime (11320123010327) 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, 612551 + ... + 4797443.

It is an arithmetic number, because the mean of its divisors is an integer number (2830032475053).

Almost surely, 2^{11320123010321} is an apocalyptic number.

It is an amenable number.

11320123010321 is a deficient number, since it is larger than the sum of its proper divisors (6889891).

11320123010321 is an equidigital number, since it uses as much as digits as its factorization.

11320123010321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6889890.

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

Adding to 11320123010321 its reverse (12301032102311), we get a palindrome (23621155112632).

The spelling of 11320123010321 in words is "eleven trillion, three hundred twenty billion, one hundred twenty-three million, ten thousand, three hundred twenty-one".