221330133324 has 18 divisors (see below), whose sum is σ = 559473392660. Its totient is φ = 73776711096.

The previous prime is 221330133313. The next prime is 221330133383. The reversal of 221330133324 is 423331033122.

221330133324 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 301 + 33 + 324 = 666.

221330133324 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3074029594 + ... + 3074029665.

Almost surely, 2^221330133324 is an apocalyptic number.

It is an amenable number.

221330133324 is an abundant number, since it is smaller than the sum of its proper divisors (338143259336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221330133324 is a wasteful number, since it uses less digits than its factorization.

221330133324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6148059269 (or 6148059264 counting only the distinct ones).

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

Adding to 221330133324 its reverse (423331033122), we get a palindrome (644661166446).

The spelling of 221330133324 in words is "two hundred twenty-one billion, three hundred thirty million, one hundred thirty-three thousand, three hundred twenty-four".