21002132200003 has 4 divisors (see below), whose sum is σ = 21013345299688. Its totient is φ = 20990919100320.

The previous prime is 21002132199977. The next prime is 21002132200079. The reversal of 21002132200003 is 30000223120012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21002132200003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21002132200003.

It is not an unprimeable number, because it can be changed into a prime (21002132200103) 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 3 ways as a sum of consecutive naturals, for example, 5606547033 + ... + 5606550778.

It is an arithmetic number, because the mean of its divisors is an integer number (5253336324922).

Almost surely, 2^{21002132200003} is an apocalyptic number.

21002132200003 is a deficient number, since it is larger than the sum of its proper divisors (11213099685).

21002132200003 is a wasteful number, since it uses less digits than its factorization.

21002132200003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11213099684.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21002132200003 its reverse (30000223120012), we get a palindrome (51002355320015).

The spelling of 21002132200003 in words is "twenty-one trillion, two billion, one hundred thirty-two million, two hundred thousand, three".