33212322023221 has 8 divisors (see below), whose sum is σ = 36431798745888. Its totient is φ = 30026207754000.

The previous prime is 33212322023203. The next prime is 33212322023339. The reversal of 33212322023221 is 12232022321233.

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 33212322023221 - 2¹³ = 33212322015029 is a prime.

It is a super-2 number, since 2×33212322023221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33212322023221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33212322027221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8340611275 + ... + 8340615256.

It is an arithmetic number, because the mean of its divisors is an integer number (4553974843236).

Almost surely, 2^{33212322023221} is an apocalyptic number.

It is an amenable number.

33212322023221 is a deficient number, since it is larger than the sum of its proper divisors (3219476722667).

33212322023221 is a wasteful number, since it uses less digits than its factorization.

33212322023221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16681226723.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 33212322023221 its reverse (12232022321233), we get a palindrome (45444344344454).

The spelling of 33212322023221 in words is "thirty-three trillion, two hundred twelve billion, three hundred twenty-two million, twenty-three thousand, two hundred twenty-one".