21133341334033 has 8 divisors (see below), whose sum is σ = 21351541183560. Its totient is φ = 20915148226560.

The previous prime is 21133341334019. The next prime is 21133341334057. The reversal of 21133341334033 is 33043314333112.

It can be written as a sum of positive squares in 4 ways, for example, as 201508516609 + 20931832817424 = 448897^2 + 4575132^2 .

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 21133341334033 - 2¹³ = 21133341325841 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 21133341334033.

It is not an unprimeable number, because it can be changed into a prime (21133341334073) 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, 4741833 + ... + 8046841.

It is an arithmetic number, because the mean of its divisors is an integer number (2668942647945).

Almost surely, 2^{21133341334033} is an apocalyptic number.

It is an amenable number.

21133341334033 is a deficient number, since it is larger than the sum of its proper divisors (218199849527).

21133341334033 is an equidigital number, since it uses as much as digits as its factorization.

21133341334033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371027.

The product of its (nonzero) digits is 69984, while the sum is 34.

Adding to 21133341334033 its reverse (33043314333112), we get a palindrome (54176655667145).

The spelling of 21133341334033 in words is "twenty-one trillion, one hundred thirty-three billion, three hundred forty-one million, three hundred thirty-four thousand, thirty-three".