11321020022311 has 4 divisors (see below), whose sum is σ = 11916863181400. Its totient is φ = 10725176863224.

The previous prime is 11321020022303. The next prime is 11321020022317. The reversal of 11321020022311 is 11322002012311.

11321020022311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11321020022311 - 2³ = 11321020022303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 595843159069 = 11321020022311 / (1 + 1 + 3 + 2 + 1 + 0 + 2 + 0 + 0 + 2 + 2 + 3 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321020022317) 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, 297921579516 + ... + 297921579553.

It is an arithmetic number, because the mean of its divisors is an integer number (2979215795350).

Almost surely, 2^{11321020022311} is an apocalyptic number.

11321020022311 is a deficient number, since it is larger than the sum of its proper divisors (595843159089).

11321020022311 is an equidigital number, since it uses as much as digits as its factorization.

11321020022311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595843159088.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11321020022311 its reverse (11322002012311), we get a palindrome (22643022034622).

The spelling of 11321020022311 in words is "eleven trillion, three hundred twenty-one billion, twenty million, twenty-two thousand, three hundred eleven".