11331321302011 has 4 divisors (see below), whose sum is σ = 11997869613912. Its totient is φ = 10664772990112.

The previous prime is 11331321301991. The next prime is 11331321302023. The reversal of 11331321302011 is 11020312313311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11331321302011 - 2²¹ = 11331319204859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331321302051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333274155925 + ... + 333274155958.

It is an arithmetic number, because the mean of its divisors is an integer number (2999467403478).

Almost surely, 2^{11331321302011} is an apocalyptic number.

11331321302011 is a deficient number, since it is larger than the sum of its proper divisors (666548311901).

11331321302011 is an equidigital number, since it uses as much as digits as its factorization.

11331321302011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666548311900.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 11331321302011 its reverse (11020312313311), we get a palindrome (22351633615322).

The spelling of 11331321302011 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty-one million, three hundred two thousand, eleven".