11333321321 has 16 divisors (see below), whose sum is σ = 13277376000. Its totient is φ = 9473511168.

The previous prime is 11333321287. The next prime is 11333321339. The reversal of 11333321321 is 12312333311.

It is a cyclic number.

It is not a de Polignac number, because 11333321321 - 2⁶ = 11333321257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11333323321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79121 + ... + 170078.

It is an arithmetic number, because the mean of its divisors is an integer number (829836000).

Almost surely, 2^11333321321 is an apocalyptic number.

It is an amenable number.

11333321321 is a deficient number, since it is larger than the sum of its proper divisors (1944054679).

11333321321 is an equidigital number, since it uses as much as digits as its factorization.

11333321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249368.

The product of its digits is 972, while the sum is 23.

Adding to 11333321321 its reverse (12312333311), we get a palindrome (23645654632).

The spelling of 11333321321 in words is "eleven billion, three hundred thirty-three million, three hundred twenty-one thousand, three hundred twenty-one".