213222110203 has 4 divisors (see below), whose sum is σ = 213223041328. Its totient is φ = 213221179080.

The previous prime is 213222110159. The next prime is 213222110209. The reversal of 213222110203 is 302011222312.

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 a cyclic number.

It is not a de Polignac number, because 213222110203 - 2²⁵ = 213188555771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213222110209) 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, 143713 + ... + 668653.

It is an arithmetic number, because the mean of its divisors is an integer number (53305760332).

Almost surely, 2^213222110203 is an apocalyptic number.

213222110203 is a deficient number, since it is larger than the sum of its proper divisors (931125).

213222110203 is an equidigital number, since it uses as much as digits as its factorization.

213222110203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931124.

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

Adding to 213222110203 its reverse (302011222312), we get a palindrome (515233332515).

The spelling of 213222110203 in words is "two hundred thirteen billion, two hundred twenty-two million, one hundred ten thousand, two hundred three".