221332313033 has 12 divisors (see below), whose sum is σ = 252281618640. Its totient is φ = 193553760816.

The previous prime is 221332313029. The next prime is 221332313143. The reversal of 221332313033 is 330313233122.

It is a happy number.

221332313033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221332313033 - 2² = 221332313029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221332312993 and 221332313011.

It is not an unprimeable number, because it can be changed into a prime (221332313533) 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 11 ways as a sum of consecutive naturals, for example, 34461491 + ... + 34467912.

It is an arithmetic number, because the mean of its divisors is an integer number (21023468220).

Almost surely, 2^221332313033 is an apocalyptic number.

It is an amenable number.

221332313033 is a deficient number, since it is larger than the sum of its proper divisors (30949305607).

221332313033 is a wasteful number, since it uses less digits than its factorization.

221332313033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68929448 (or 68929435 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 221332313033 its reverse (330313233122), we get a palindrome (551645546155).

The spelling of 221332313033 in words is "two hundred twenty-one billion, three hundred thirty-two million, three hundred thirteen thousand, thirty-three".