13333022321221 has 4 divisors (see below), whose sum is σ = 13333044621312. Its totient is φ = 13333000021132.

The previous prime is 13333022321219. The next prime is 13333022321231. The reversal of 13333022321221 is 12212322033331.

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 13333022321221 - 2¹ = 13333022321219 is a prime.

It is a super-3 number, since 3×13333022321221³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13333022321221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13333022321231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10227781 + ... + 11457466.

It is an arithmetic number, because the mean of its divisors is an integer number (3333261155328).

Almost surely, 2^{13333022321221} is an apocalyptic number.

It is an amenable number.

13333022321221 is a deficient number, since it is larger than the sum of its proper divisors (22300091).

13333022321221 is an equidigital number, since it uses as much as digits as its factorization.

13333022321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22300090.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13333022321221 its reverse (12212322033331), we get a palindrome (25545344354552).

The spelling of 13333022321221 in words is "thirteen trillion, three hundred thirty-three billion, twenty-two million, three hundred twenty-one thousand, two hundred twenty-one".