133324221113221 has 4 divisors (see below), whose sum is σ = 133404392023552. Its totient is φ = 133244050202892.

The previous prime is 133324221113203. The next prime is 133324221113233. The reversal of 133324221113221 is 122311122423331.

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 133324221113221 - 2⁷ = 133324221113093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133324221117221) 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, 40085452671 + ... + 40085455996.

It is an arithmetic number, because the mean of its divisors is an integer number (33351098005888).

Almost surely, 2^{133324221113221} is an apocalyptic number.

It is an amenable number.

133324221113221 is a deficient number, since it is larger than the sum of its proper divisors (80170910331).

133324221113221 is an equidigital number, since it uses as much as digits as its factorization.

133324221113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80170910330.

The product of its digits is 10368, while the sum is 31.

Adding to 133324221113221 its reverse (122311122423331), we get a palindrome (255635343536552).

The spelling of 133324221113221 in words is "one hundred thirty-three trillion, three hundred twenty-four billion, two hundred twenty-one million, one hundred thirteen thousand, two hundred twenty-one".