11321222021133 has 4 divisors (see below), whose sum is σ = 15094962694848. Its totient is φ = 7547481347420.

The previous prime is 11321222021089. The next prime is 11321222021171. The reversal of 11321222021133 is 33112022212311.

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 11321222021133 - 2¹⁶ = 11321221955597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321222121133) 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, 1886870336853 + ... + 1886870336858.

It is an arithmetic number, because the mean of its divisors is an integer number (3773740673712).

Almost surely, 2^{11321222021133} is an apocalyptic number.

It is an amenable number.

11321222021133 is a deficient number, since it is larger than the sum of its proper divisors (3773740673715).

11321222021133 is an equidigital number, since it uses as much as digits as its factorization.

11321222021133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773740673714.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 11321222021133 its reverse (33112022212311), we get a palindrome (44433244233444).

The spelling of 11321222021133 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, one hundred thirty-three".