11301021321 has 4 divisors (see below), whose sum is σ = 15068028432. Its totient is φ = 7534014212.

The previous prime is 11301021317. The next prime is 11301021323. The reversal of 11301021321 is 12312010311.

It is a happy number.

11301021321 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 a cyclic number.

It is not a de Polignac number, because 11301021321 - 2² = 11301021317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11301021321.

It is not an unprimeable number, because it can be changed into a prime (11301021323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883503551 + ... + 1883503556.

It is an arithmetic number, because the mean of its divisors is an integer number (3767007108).

Almost surely, 2^11301021321 is an apocalyptic number.

It is an amenable number.

11301021321 is a deficient number, since it is larger than the sum of its proper divisors (3767007111).

11301021321 is an equidigital number, since it uses as much as digits as its factorization.

11301021321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767007110.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11301021321 its reverse (12312010311), we get a palindrome (23613031632).

The spelling of 11301021321 in words is "eleven billion, three hundred one million, twenty-one thousand, three hundred twenty-one".