33021332213 has 16 divisors (see below), whose sum is σ = 33611585280. Its totient is φ = 32435859456.

The previous prime is 33021332191. The next prime is 33021332233. The reversal of 33021332213 is 31223312033.

It is a cyclic number.

It is not a de Polignac number, because 33021332213 - 2²⁶ = 32954223349 is a prime.

It is a super-2 number, since 2×33021332213² (a number of 22 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 (33021332233) 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 15 ways as a sum of consecutive naturals, for example, 15626645 + ... + 15628757.

It is an arithmetic number, because the mean of its divisors is an integer number (2100724080).

Almost surely, 2^33021332213 is an apocalyptic number.

It is an amenable number.

33021332213 is a deficient number, since it is larger than the sum of its proper divisors (590253067).

33021332213 is a wasteful number, since it uses less digits than its factorization.

33021332213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33021332213 its reverse (31223312033), we get a palindrome (64244644246).

The spelling of 33021332213 in words is "thirty-three billion, twenty-one million, three hundred thirty-two thousand, two hundred thirteen".