33120330221 has 8 divisors (see below), whose sum is σ = 36133509024. Its totient is φ = 30107524720.

The previous prime is 33120330197. The next prime is 33120330233. The reversal of 33120330221 is 12203302133.

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

It is a cyclic number.

It is not a de Polignac number, because 33120330221 - 2³⁰ = 32046588397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33120330193 and 33120330202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33120330241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 111806 + ... + 280608.

It is an arithmetic number, because the mean of its divisors is an integer number (4516688628).

Almost surely, 2^33120330221 is an apocalyptic number.

It is an amenable number.

33120330221 is a deficient number, since it is larger than the sum of its proper divisors (3013178803).

33120330221 is a wasteful number, since it uses less digits than its factorization.

33120330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186651.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33120330221 its reverse (12203302133), we get a palindrome (45323632354).

The spelling of 33120330221 in words is "thirty-three billion, one hundred twenty million, three hundred thirty thousand, two hundred twenty-one".