33233312202221 has 8 divisors (see below), whose sum is σ = 33869000501784. Its totient is φ = 32597944075840.

The previous prime is 33233312202203. The next prime is 33233312202241. The reversal of 33233312202221 is 12220221333233.

It can be written as a sum of positive squares in 4 ways, for example, as 21448578450121 + 11784733752100 = 4631261^2 + 3432890^2 .

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 33233312202221 - 2¹⁰ = 33233312201197 is a prime.

It is a super-2 number, since 2×33233312202221² (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 (33233312202241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79833710 + ... + 80248911.

It is an arithmetic number, because the mean of its divisors is an integer number (4233625062723).

Almost surely, 2^{33233312202221} is an apocalyptic number.

It is an amenable number.

33233312202221 is a deficient number, since it is larger than the sum of its proper divisors (635688299563).

33233312202221 is a wasteful number, since it uses less digits than its factorization.

33233312202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160086591.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 33233312202221 its reverse (12220221333233), we get a palindrome (45453533535454).

The spelling of 33233312202221 in words is "thirty-three trillion, two hundred thirty-three billion, three hundred twelve million, two hundred two thousand, two hundred twenty-one".