21110200210003 has 4 divisors (see below), whose sum is σ = 21110446613808. Its totient is φ = 21109953806200.

The previous prime is 21110200209971. The next prime is 21110200210009. The reversal of 21110200210003 is 30001200201112.

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

It is a cyclic number.

It is not a de Polignac number, because 21110200210003 - 2⁵ = 21110200209971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21110200210009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123073348 + ... + 123244753.

It is an arithmetic number, because the mean of its divisors is an integer number (5277611653452).

Almost surely, 2^{21110200210003} is an apocalyptic number.

21110200210003 is a deficient number, since it is larger than the sum of its proper divisors (246403805).

21110200210003 is an equidigital number, since it uses as much as digits as its factorization.

21110200210003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246403804.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21110200210003 its reverse (30001200201112), we get a palindrome (51111400411115).

The spelling of 21110200210003 in words is "twenty-one trillion, one hundred ten billion, two hundred million, two hundred ten thousand, three".