33044244121 has 6 divisors (see below), whose sum is σ = 38439222810. Its totient is φ = 28323637776.

The previous prime is 33044244089. The next prime is 33044244131. The reversal of 33044244121 is 12144244033.

It can be written as a sum of positive squares in only one way, i.e., 29376246025 + 3667998096 = 171395^2 + 60564^2 .

It is not a de Polignac number, because 33044244121 - 2⁵ = 33044244089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33044244121.

It is not an unprimeable number, because it can be changed into a prime (33044244131) 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 5 ways as a sum of consecutive naturals, for example, 337186116 + ... + 337186213.

It is an arithmetic number, because the mean of its divisors is an integer number (6406537135).

Almost surely, 2^33044244121 is an apocalyptic number.

It is an amenable number.

33044244121 is a deficient number, since it is larger than the sum of its proper divisors (5394978689).

33044244121 is an equidigital number, since it uses as much as digits as its factorization.

33044244121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674372343 (or 674372336 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 33044244121 its reverse (12144244033), we get a palindrome (45188488154).

The spelling of 33044244121 in words is "thirty-three billion, forty-four million, two hundred forty-four thousand, one hundred twenty-one".