33044211221 has 8 divisors (see below), whose sum is σ = 37788925440. Its totient is φ = 28305525168.

The previous prime is 33044211163. The next prime is 33044211223. The reversal of 33044211221 is 12211244033.

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 33044211221 - 2¹⁰ = 33044210197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33044211223) 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, 1495286 + ... + 1517223.

It is an arithmetic number, because the mean of its divisors is an integer number (4723615680).

Almost surely, 2^33044211221 is an apocalyptic number.

It is an amenable number.

33044211221 is a deficient number, since it is larger than the sum of its proper divisors (4744714219).

33044211221 is a wasteful number, since it uses less digits than its factorization.

33044211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014083.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 33044211221 its reverse (12211244033), we get a palindrome (45255455254).

The spelling of 33044211221 in words is "thirty-three billion, forty-four million, two hundred eleven thousand, two hundred twenty-one".