33043421402221 has 8 divisors (see below), whose sum is σ = 33680540746944. Its totient is φ = 32410535409120.

The previous prime is 33043421402219. The next prime is 33043421402261. The reversal of 33043421402221 is 12220412434033.

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 33043421402221 - 2¹ = 33043421402219 is a prime.

It is a super-3 number, since 3×33043421402221³ (a number of 42 digits) contains 333 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 (33043421402261) 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, 1058322145 + ... + 1058353366.

It is an arithmetic number, because the mean of its divisors is an integer number (4210067593368).

Almost surely, 2^{33043421402221} is an apocalyptic number.

It is an amenable number.

33043421402221 is a deficient number, since it is larger than the sum of its proper divisors (637119344723).

33043421402221 is a wasteful number, since it uses less digits than its factorization.

33043421402221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116675811.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 33043421402221 its reverse (12220412434033), we get a palindrome (45263833836254).

The spelling of 33043421402221 in words is "thirty-three trillion, forty-three billion, four hundred twenty-one million, four hundred two thousand, two hundred twenty-one".