11331120211321 has 8 divisors (see below), whose sum is σ = 11759298499080. Its totient is φ = 10905438590592.

The previous prime is 11331120211319. The next prime is 11331120211331. The reversal of 11331120211321 is 12311202113311.

It can be written as a sum of positive squares in 4 ways, for example, as 13689000000 + 11317431211321 = 117000^2 + 3364139^2 .

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 11331120211321 - 2¹ = 11331120211319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331120211292 and 11331120211301.

It is not an unprimeable number, because it can be changed into a prime (11331120211331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624157510 + ... + 624175663.

It is an arithmetic number, because the mean of its divisors is an integer number (1469912312385).

Almost surely, 2^{11331120211321} is an apocalyptic number.

It is an amenable number.

11331120211321 is a deficient number, since it is larger than the sum of its proper divisors (428178287759).

11331120211321 is a wasteful number, since it uses less digits than its factorization.

11331120211321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248333515.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11331120211321 its reverse (12311202113311), we get a palindrome (23642322324632).

The spelling of 11331120211321 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty million, two hundred eleven thousand, three hundred twenty-one".