21200201019999 has 24 divisors (see below), whose sum is σ = 30879054958752. Its totient is φ = 14015465231040.

The previous prime is 21200201019997. The next prime is 21200201020067. The reversal of 21200201019999 is 99991010200212.

It is not a de Polignac number, because 21200201019999 - 2¹ = 21200201019997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200201019997) 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, 16119324 + ... + 17384849.

It is an arithmetic number, because the mean of its divisors is an integer number (1286627289948).

Almost surely, 2^{21200201019999} is an apocalyptic number.

21200201019999 is a deficient number, since it is larger than the sum of its proper divisors (9678853938753).

21200201019999 is a wasteful number, since it uses less digits than its factorization.

21200201019999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33504767 (or 33504764 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

The spelling of 21200201019999 in words is "twenty-one trillion, two hundred billion, two hundred one million, nineteen thousand, nine hundred ninety-nine".