11331122220311 has 8 divisors (see below), whose sum is σ = 11341551882240. Its totient is φ = 11320694463832.

The previous prime is 11331122220263. The next prime is 11331122220317. The reversal of 11331122220311 is 11302222113311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11331122220311 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 (11331122220317) 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, 11562266 + ... + 12503928.

It is an arithmetic number, because the mean of its divisors is an integer number (1417693985280).

Almost surely, 2^{11331122220311} is an apocalyptic number.

11331122220311 is a deficient number, since it is larger than the sum of its proper divisors (10429661929).

11331122220311 is an equidigital number, since it uses as much as digits as its factorization.

11331122220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952725.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11331122220311 its reverse (11302222113311), we get a palindrome (22633344333622).

The spelling of 11331122220311 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-two million, two hundred twenty thousand, three hundred eleven".