21200032111003 has 6 divisors (see below), whose sum is σ = 22374549125844. Its totient is φ = 20084240946924.

The previous prime is 21200032110991. The next prime is 21200032111099. The reversal of 21200032111003 is 30011123000212.

It is a de Polignac number, because none of the positive numbers 2^k-21200032111003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21200032111103) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 29362925001 + ... + 29362925722.

It is an arithmetic number, because the mean of its divisors is an integer number (3729091520974).

Almost surely, 2^{21200032111003} is an apocalyptic number.

21200032111003 is a deficient number, since it is larger than the sum of its proper divisors (1174517014841).

21200032111003 is an equidigital number, since it uses as much as digits as its factorization.

21200032111003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58725850761 (or 58725850742 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21200032111003 its reverse (30011123000212), we get a palindrome (51211155111215).

The spelling of 21200032111003 in words is "twenty-one trillion, two hundred billion, thirty-two million, one hundred eleven thousand, three".