21200213003300 has 72 divisors (see below), whose sum is σ = 47595003594600. Its totient is φ = 8186949227520.

The previous prime is 21200213003231. The next prime is 21200213003323. The reversal of 21200213003300 is 330031200212.

It can be written as a sum of positive squares in 12 ways, for example, as 7315109985316 + 13885103017984 = 2704646^2 + 3726272^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33304406 + ... + 33934994.

Almost surely, 2^{21200213003300} is an apocalyptic number.

21200213003300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21200213003300 is an abundant number, since it is smaller than the sum of its proper divisors (26394790591300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21200213003300 is a wasteful number, since it uses less digits than its factorization.

21200213003300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642225 (or 642218 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21200213003300 its reverse (330031200212), we get a palindrome (21530244203512).

The spelling of 21200213003300 in words is "twenty-one trillion, two hundred billion, two hundred thirteen million, three thousand, three hundred".