21010200301 has 4 divisors (see below), whose sum is σ = 21010679100. Its totient is φ = 21009721504.

The previous prime is 21010200283. The next prime is 21010200317. The reversal of 21010200301 is 10300201012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1534602276 + 19475598025 = 39174^2 + 139555^2 .

It is a cyclic number.

It is not a de Polignac number, because 21010200301 - 2⁷ = 21010200173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010200331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166096 + ... + 263833.

It is an arithmetic number, because the mean of its divisors is an integer number (5252669775).

Almost surely, 2^21010200301 is an apocalyptic number.

It is an amenable number.

21010200301 is a deficient number, since it is larger than the sum of its proper divisors (478799).

21010200301 is an equidigital number, since it uses as much as digits as its factorization.

21010200301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478798.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 21010200301 its reverse (10300201012), we get a palindrome (31310401313).

The spelling of 21010200301 in words is "twenty-one billion, ten million, two hundred thousand, three hundred one".