133323322221 has 96 divisors (see below), whose sum is σ = 218527895040. Its totient is φ = 80932716864.

The previous prime is 133323322129. The next prime is 133323322267. The reversal of 133323322221 is 122223323331.

133323322221 is a `hidden beast` number, since 1 + 3 + 332 + 3 + 322 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 133323322221 - 2¹³ = 133323314029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133323322291) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14174106 + ... + 14183508.

It is an arithmetic number, because the mean of its divisors is an integer number (2276332240).

Almost surely, 2^133323322221 is an apocalyptic number.

It is an amenable number.

133323322221 is a deficient number, since it is larger than the sum of its proper divisors (85204572819).

133323322221 is an equidigital number, since it uses as much as digits as its factorization.

133323322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9557 (or 9545 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 133323322221 its reverse (122223323331), we get a palindrome (255546645552).

The spelling of 133323322221 in words is "one hundred thirty-three billion, three hundred twenty-three million, three hundred twenty-two thousand, two hundred twenty-one".