21210201110003 has 2 divisors, whose sum is σ = 21210201110004. Its totient is φ = 21210201110002.

The previous prime is 21210201109997. The next prime is 21210201110023. The reversal of 21210201110003 is 30001110201212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21210201110003 - 2²⁶ = 21210134001139 is a prime.

It is a super-2 number, since 2×21210201110003² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21210201110003.

It is not a weakly prime, because it can be changed into another prime (21210201110023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10605100555001 + 10605100555002.

It is an arithmetic number, because the mean of its divisors is an integer number (10605100555002).

Almost surely, 2^{21210201110003} is an apocalyptic number.

21210201110003 is a deficient number, since it is larger than the sum of its proper divisors (1).

21210201110003 is an equidigital number, since it uses as much as digits as its factorization.

21210201110003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 21210201110003 its reverse (30001110201212), we get a palindrome (51211311311215).

The spelling of 21210201110003 in words is "twenty-one trillion, two hundred ten billion, two hundred one million, one hundred ten thousand, three".