33044240031221 has 8 divisors (see below), whose sum is σ = 34841479704000. Its totient is φ = 31252807272960.

The previous prime is 33044240031191. The next prime is 33044240031227. The reversal of 33044240031221 is 12213004244033.

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 33044240031221 - 2¹⁸ = 33044239769077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33044240031227) 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, 1451716940 + ... + 1451739701.

It is an arithmetic number, because the mean of its divisors is an integer number (4355184963000).

Almost surely, 2^{33044240031221} is an apocalyptic number.

It is an amenable number.

33044240031221 is a deficient number, since it is larger than the sum of its proper divisors (1797239672779).

33044240031221 is a wasteful number, since it uses less digits than its factorization.

33044240031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903457259.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 33044240031221 its reverse (12213004244033), we get a palindrome (45257244275254).

The spelling of 33044240031221 in words is "thirty-three trillion, forty-four billion, two hundred forty million, thirty-one thousand, two hundred twenty-one".