11323323133221 has 16 divisors (see below), whose sum is σ = 16470687260160. Its totient is φ = 6862453803120.

The previous prime is 11323323133207. The next prime is 11323323133247. The reversal of 11323323133221 is 12233132332311.

It is not a de Polignac number, because 11323323133221 - 2¹⁷ = 11323323002149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323323133261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2767395 + ... + 5505008.

It is an arithmetic number, because the mean of its divisors is an integer number (1029417953760).

Almost surely, 2^{11323323133221} is an apocalyptic number.

11323323133221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11323323133221 is a deficient number, since it is larger than the sum of its proper divisors (5147364126939).

11323323133221 is a wasteful number, since it uses less digits than its factorization.

11323323133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8313896.

The product of its digits is 11664, while the sum is 30.

Adding to 11323323133221 its reverse (12233132332311), we get a palindrome (23556455465532).

The spelling of 11323323133221 in words is "eleven trillion, three hundred twenty-three billion, three hundred twenty-three million, one hundred thirty-three thousand, two hundred twenty-one".