33321221242213 has 8 divisors (see below), whose sum is σ = 33393695808960. Its totient is φ = 33248808915840.

The previous prime is 33321221242193. The next prime is 33321221242223. The reversal of 33321221242213 is 31224212212333.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33321221242213 is a prime.

It is a super-2 number, since 2×33321221242213² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33321221242223) 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, 14488123 + ... + 16629736.

It is an arithmetic number, because the mean of its divisors is an integer number (4174211976120).

Almost surely, 2^{33321221242213} is an apocalyptic number.

It is an amenable number.

33321221242213 is a deficient number, since it is larger than the sum of its proper divisors (72474566747).

33321221242213 is a wasteful number, since it uses less digits than its factorization.

33321221242213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31120187.

The product of its digits is 20736, while the sum is 31.

Adding to 33321221242213 its reverse (31224212212333), we get a palindrome (64545433454546).

The spelling of 33321221242213 in words is "thirty-three trillion, three hundred twenty-one billion, two hundred twenty-one million, two hundred forty-two thousand, two hundred thirteen".