21200033011003 has 128 divisors (see below), whose sum is σ = 28040114995200. Its totient is φ = 15548131008000.

The previous prime is 21200033010979. The next prime is 21200033011019. The reversal of 21200033011003 is 30011033000212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21200033011003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21200033011063) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15153704098 + ... + 15153705496.

It is an arithmetic number, because the mean of its divisors is an integer number (219063398400).

Almost surely, 2^{21200033011003} is an apocalyptic number.

21200033011003 is a deficient number, since it is larger than the sum of its proper divisors (6840081984197).

21200033011003 is a wasteful number, since it uses less digits than its factorization.

21200033011003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21200033011003 its reverse (30011033000212), we get a palindrome (51211066011215).

The spelling of 21200033011003 in words is "twenty-one trillion, two hundred billion, thirty-three million, eleven thousand, three".