21210201311033 has 64 divisors (see below), whose sum is σ = 25886853070848. Its totient is φ = 16964442593280.

The previous prime is 21210201311023. The next prime is 21210201311153. The reversal of 21210201311033 is 33011310201212.

It is a happy number.

It is not a de Polignac number, because 21210201311033 - 2⁴ = 21210201311017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21210201310996 and 21210201311014.

It is not an unprimeable number, because it can be changed into a prime (21210201311003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6254849768 + ... + 6254853158.

It is an arithmetic number, because the mean of its divisors is an integer number (404482079232).

Almost surely, 2^{21210201311033} is an apocalyptic number.

It is an amenable number.

21210201311033 is a deficient number, since it is larger than the sum of its proper divisors (4676651759815).

21210201311033 is a wasteful number, since it uses less digits than its factorization.

21210201311033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4582.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21210201311033 its reverse (33011310201212), we get a palindrome (54221511512245).

The spelling of 21210201311033 in words is "twenty-one trillion, two hundred ten billion, two hundred one million, three hundred eleven thousand, thirty-three".