213110002213 has 4 divisors (see below), whose sum is σ = 213119590860. Its totient is φ = 213100413568.

The previous prime is 213110002207. The next prime is 213110002219. The reversal of 213110002213 is 312200011312.

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

It is an interprime number because it is at equal distance from previous prime (213110002207) and next prime (213110002219).

It can be written as a sum of positive squares in 2 ways, for example, as 198401648929 + 14708353284 = 445423^2 + 121278^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213110002213 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 (213110002219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4760908 + ... + 4805461.

It is an arithmetic number, because the mean of its divisors is an integer number (53279897715).

Almost surely, 2^213110002213 is an apocalyptic number.

It is an amenable number.

213110002213 is a deficient number, since it is larger than the sum of its proper divisors (9588647).

213110002213 is an equidigital number, since it uses as much as digits as its factorization.

213110002213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9588646.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 213110002213 its reverse (312200011312), we get a palindrome (525310013525).

Subtracting 213110002213 from its reverse (312200011312), we obtain a palindrome (99090009099).

The spelling of 213110002213 in words is "two hundred thirteen billion, one hundred ten million, two thousand, two hundred thirteen".