21203333132300 has 72 divisors (see below), whose sum is σ = 52835865579840. Its totient is φ = 7304497531200.

The previous prime is 21203333132263. The next prime is 21203333132341. The reversal of 21203333132300 is 323133330212.

It is a happy number.

21203333132300 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 21203333132300.

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, 507235874 + ... + 507277673.

Almost surely, 2^{21203333132300} is an apocalyptic number.

21203333132300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21203333132300 is an abundant number, since it is smaller than the sum of its proper divisors (31632532447540).

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

21203333132300 is a wasteful number, since it uses less digits than its factorization.

21203333132300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014513591 (or 1014513584 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 21203333132300 its reverse (323133330212), we get a palindrome (21526466462512).

It can be divided in two parts, 212033 and 33132300, that added together give a palindrome (33344333).

The spelling of 21203333132300 in words is "twenty-one trillion, two hundred three billion, three hundred thirty-three million, one hundred thirty-two thousand, three hundred".