11320322404221 has 6 divisors (see below), whose sum is σ = 16351576806110. Its totient is φ = 7546881602808.

The previous prime is 11320322404207. The next prime is 11320322404277. The reversal of 11320322404221 is 12240422302311.

11320322404221 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 0 + 32 + 2 + 404 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9773507840121 + 1546814564100 = 3126261^2 + 1243710^2 .

It is not a de Polignac number, because 11320322404221 - 2¹¹ = 11320322402173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320322404021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628906800226 + ... + 628906800243.

Almost surely, 2^{11320322404221} is an apocalyptic number.

It is an amenable number.

11320322404221 is a deficient number, since it is larger than the sum of its proper divisors (5031254401889).

11320322404221 is a wasteful number, since it uses less digits than its factorization.

11320322404221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257813600475 (or 1257813600472 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 11320322404221 its reverse (12240422302311), we get a palindrome (23560744706532).

The spelling of 11320322404221 in words is "eleven trillion, three hundred twenty billion, three hundred twenty-two million, four hundred four thousand, two hundred twenty-one".