11331320322321 has 6 divisors (see below), whose sum is σ = 16367462687810. Its totient is φ = 7554213548208.

The previous prime is 11331320322271. The next prime is 11331320322347. The reversal of 11331320322321 is 12322302313311.

11331320322321 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 13 + 2 + 0 + 322 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7700008962321 + 3631311360000 = 2774889^2 + 1905600^2 .

It is not a de Polignac number, because 11331320322321 - 2¹¹ = 11331320320273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331320320321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629517795676 + ... + 629517795693.

Almost surely, 2^{11331320322321} is an apocalyptic number.

It is an amenable number.

11331320322321 is a deficient number, since it is larger than the sum of its proper divisors (5036142365489).

11331320322321 is a wasteful number, since it uses less digits than its factorization.

11331320322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259035591375 (or 1259035591372 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 11331320322321 its reverse (12322302313311), we get a palindrome (23653622635632).

The spelling of 11331320322321 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty million, three hundred twenty-two thousand, three hundred twenty-one".