21130333302133 has 32 divisors (see below), whose sum is σ = 24289375518720. Its totient is φ = 18194056151040.

The previous prime is 21130333302047. The next prime is 21130333302151. The reversal of 21130333302133 is 33120333303112.

It is not a de Polignac number, because 21130333302133 - 2³³ = 21121743367541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21130333302833) 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, 320206060 + ... + 320272042.

It is an arithmetic number, because the mean of its divisors is an integer number (759042984960).

Almost surely, 2^{21130333302133} is an apocalyptic number.

21130333302133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21130333302133 is a deficient number, since it is larger than the sum of its proper divisors (3159042216587).

21130333302133 is a wasteful number, since it uses less digits than its factorization.

21130333302133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78409.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 21130333302133 its reverse (33120333303112), we get a palindrome (54250666605245).

The spelling of 21130333302133 in words is "twenty-one trillion, one hundred thirty billion, three hundred thirty-three million, three hundred two thousand, one hundred thirty-three".