11321222021113 has 4 divisors (see below), whose sum is σ = 11562099085440. Its totient is φ = 11080344956788.

The previous prime is 11321222021089. The next prime is 11321222021171. The reversal of 11321222021113 is 31112022212311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11321222021113 - 2³⁷ = 11183783067641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321222021513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120438532093 + ... + 120438532186.

It is an arithmetic number, because the mean of its divisors is an integer number (2890524771360).

Almost surely, 2^{11321222021113} is an apocalyptic number.

It is an amenable number.

11321222021113 is a deficient number, since it is larger than the sum of its proper divisors (240877064327).

11321222021113 is an equidigital number, since it uses as much as digits as its factorization.

11321222021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240877064326.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 11321222021113 its reverse (31112022212311), we get a palindrome (42433244233424).

The spelling of 11321222021113 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, one hundred thirteen".