21002000133033 has 32 divisors (see below), whose sum is σ = 31439583275520. Its totient is φ = 13854897953280.

The previous prime is 21002000133017. The next prime is 21002000133047. The reversal of 21002000133033 is 33033100020012.

21002000133033 is a `hidden beast` number, since 2 + 100 + 200 + 0 + 1 + 330 + 33 = 666.

It is not a de Polignac number, because 21002000133033 - 2⁴ = 21002000133017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21002000132997 and 21002000133015.

It is not an unprimeable number, because it can be changed into a prime (21002000133533) 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 31 ways as a sum of consecutive naturals, for example, 16843216 + ... + 18047102.

It is an arithmetic number, because the mean of its divisors is an integer number (982486977360).

Almost surely, 2^{21002000133033} is an apocalyptic number.

It is an amenable number.

21002000133033 is a deficient number, since it is larger than the sum of its proper divisors (10437583142487).

21002000133033 is a wasteful number, since it uses less digits than its factorization.

21002000133033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210654 (or 1210648 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 21002000133033 its reverse (33033100020012), we get a palindrome (54035100153045).

The spelling of 21002000133033 in words is "twenty-one trillion, two billion, one hundred thirty-three thousand, thirty-three".