21200113203333 has 16 divisors (see below), whose sum is σ = 29929736966976. Its totient is φ = 13301958309120.

The previous prime is 21200113203329. The next prime is 21200113203407. The reversal of 21200113203333 is 33330231100212.

It is not a de Polignac number, because 21200113203333 - 2² = 21200113203329 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200113208333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9050703 + ... + 11149683.

It is an arithmetic number, because the mean of its divisors is an integer number (1870608560436).

Almost surely, 2^{21200113203333} is an apocalyptic number.

It is an amenable number.

21200113203333 is a deficient number, since it is larger than the sum of its proper divisors (8729623763643).

21200113203333 is a wasteful number, since it uses less digits than its factorization.

21200113203333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297044.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21200113203333 its reverse (33330231100212), we get a palindrome (54530344303545).

The spelling of 21200113203333 in words is "twenty-one trillion, two hundred billion, one hundred thirteen million, two hundred three thousand, three hundred thirty-three".