21013001203333 has 24 divisors (see below), whose sum is σ = 22023490015296. Its totient is φ = 20047139112000.

The previous prime is 21013001203289. The next prime is 21013001203361. The reversal of 21013001203333 is 33330210031012.

It is a de Polignac number, because none of the positive numbers 2^k-21013001203333 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 (21013001203373) 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 23 ways as a sum of consecutive naturals, for example, 479716033 + ... + 479759833.

It is an arithmetic number, because the mean of its divisors is an integer number (917645417304).

Almost surely, 2^{21013001203333} is an apocalyptic number.

21013001203333 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21013001203333 is a deficient number, since it is larger than the sum of its proper divisors (1010488811963).

21013001203333 is a wasteful number, since it uses less digits than its factorization.

21013001203333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46185 (or 46162 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 21013001203333 its reverse (33330210031012), we get a palindrome (54343211234345).

The spelling of 21013001203333 in words is "twenty-one trillion, thirteen billion, one million, two hundred three thousand, three hundred thirty-three".