11331320330221 has 8 divisors (see below), whose sum is σ = 11595744334944. Its totient is φ = 11066937458640.

The previous prime is 11331320330179. The next prime is 11331320330233. The reversal of 11331320330221 is 12203302313311.

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 11331320330221 - 2¹⁹ = 11331319805933 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 (11331320310221) 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, 9725551 + ... + 10828156.

It is an arithmetic number, because the mean of its divisors is an integer number (1449468041868).

Almost surely, 2^{11331320330221} is an apocalyptic number.

It is an amenable number.

11331320330221 is a deficient number, since it is larger than the sum of its proper divisors (264424004723).

11331320330221 is a wasteful number, since it uses less digits than its factorization.

11331320330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20566571.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 11331320330221 its reverse (12203302313311), we get a palindrome (23534622643532).

The spelling of 11331320330221 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty million, three hundred thirty thousand, two hundred twenty-one".