210201223213 has 4 divisors (see below), whose sum is σ = 210203398908. Its totient is φ = 210199047520.

The previous prime is 210201223207. The next prime is 210201223249. The reversal of 210201223213 is 312322102012.

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 94446811684 + 115754411529 = 307322^2 + 340227^2 .

It is a cyclic number.

It is not a de Polignac number, because 210201223213 - 2⁵ = 210201223181 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 (210201223613) 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, 935848 + ... + 1138513.

It is an arithmetic number, because the mean of its divisors is an integer number (52550849727).

Almost surely, 2^210201223213 is an apocalyptic number.

It is an amenable number.

210201223213 is a deficient number, since it is larger than the sum of its proper divisors (2175695).

210201223213 is a wasteful number, since it uses less digits than its factorization.

210201223213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175694.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 210201223213 its reverse (312322102012), we get a palindrome (522523325225).

The spelling of 210201223213 in words is "two hundred ten billion, two hundred one million, two hundred twenty-three thousand, two hundred thirteen".