133223320221 has 8 divisors (see below), whose sum is σ = 177635505600. Its totient is φ = 88813340832.

The previous prime is 133223320201. The next prime is 133223320247. The reversal of 133223320221 is 122023322331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133223320221 - 2⁵ = 133223320189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133223320191 and 133223320200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133223320201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405025 + ... + 656118.

It is an arithmetic number, because the mean of its divisors is an integer number (22204438200).

Almost surely, 2^133223320221 is an apocalyptic number.

It is an amenable number.

133223320221 is a deficient number, since it is larger than the sum of its proper divisors (44412185379).

133223320221 is a wasteful number, since it uses less digits than its factorization.

133223320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102995.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 133223320221 its reverse (122023322331), we get a palindrome (255246642552).

The spelling of 133223320221 in words is "one hundred thirty-three billion, two hundred twenty-three million, three hundred twenty thousand, two hundred twenty-one".