213203210201 has 4 divisors (see below), whose sum is σ = 213204137652. Its totient is φ = 213202282752.

The previous prime is 213203210159. The next prime is 213203210243. The reversal of 213203210201 is 102012302312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (213203210159) and next prime (213203210243).

It can be written as a sum of positive squares in 2 ways, for example, as 100283688976 + 112919521225 = 316676^2 + 336035^2 .

It is a cyclic number.

It is not a de Polignac number, because 213203210201 - 2²⁶ = 213136101337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213203210201.

It is not an unprimeable number, because it can be changed into a prime (213203210501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167561 + ... + 674153.

It is an arithmetic number, because the mean of its divisors is an integer number (53301034413).

Almost surely, 2^213203210201 is an apocalyptic number.

It is an amenable number.

213203210201 is a deficient number, since it is larger than the sum of its proper divisors (927451).

213203210201 is an equidigital number, since it uses as much as digits as its factorization.

213203210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927450.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 213203210201 its reverse (102012302312), we get a palindrome (315215512513).

The spelling of 213203210201 in words is "two hundred thirteen billion, two hundred three million, two hundred ten thousand, two hundred one".