21033133012211 has 8 divisors (see below), whose sum is σ = 21097739505024. Its totient is φ = 20968539500160.

The previous prime is 21033133012193. The next prime is 21033133012231. The reversal of 21033133012211 is 11221033133012.

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 21033133012211 - 2³⁴ = 21015953143027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21033133012231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5441 + ... + 6485853.

It is an arithmetic number, because the mean of its divisors is an integer number (2637217438128).

Almost surely, 2^{21033133012211} is an apocalyptic number.

21033133012211 is a deficient number, since it is larger than the sum of its proper divisors (64606492813).

21033133012211 is an equidigital number, since it uses as much as digits as its factorization.

21033133012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490381.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 21033133012211 its reverse (11221033133012), we get a palindrome (32254166145223).

The spelling of 21033133012211 in words is "twenty-one trillion, thirty-three billion, one hundred thirty-three million, twelve thousand, two hundred eleven".