11321230013221 has 8 divisors (see below), whose sum is σ = 11537546700960. Its totient is φ = 11105013643152.

The previous prime is 11321230013209. The next prime is 11321230013227. The reversal of 11321230013221 is 12231003212311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11321230013221 - 2¹⁵ = 11321229980453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11321230013192 and 11321230013201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321230013227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24851535 + ... + 25302988.

It is an arithmetic number, because the mean of its divisors is an integer number (1442193337620).

Almost surely, 2^{11321230013221} is an apocalyptic number.

It is an amenable number.

11321230013221 is a deficient number, since it is larger than the sum of its proper divisors (216316687739).

11321230013221 is an equidigital number, since it uses as much as digits as its factorization.

11321230013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50158835.

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

Adding to 11321230013221 its reverse (12231003212311), we get a palindrome (23552233225532).

The spelling of 11321230013221 in words is "eleven trillion, three hundred twenty-one billion, two hundred thirty million, thirteen thousand, two hundred twenty-one".