11203222213 has 2 divisors, whose sum is σ = 11203222214. Its totient is φ = 11203222212.

The previous prime is 11203222211. The next prime is 11203222253. The reversal of 11203222213 is 31222230211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11142491364 + 60730849 = 105558^2 + 7793^2 .

It is a cyclic number.

It is not a de Polignac number, because 11203222213 - 2¹ = 11203222211 is a prime.

Together with 11203222211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11203222211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601611106 + 5601611107.

It is an arithmetic number, because the mean of its divisors is an integer number (5601611107).

Almost surely, 2^11203222213 is an apocalyptic number.

It is an amenable number.

11203222213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11203222213 is an equidigital number, since it uses as much as digits as its factorization.

11203222213 is an evil number, because the sum of its binary digits is even.

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

Adding to 11203222213 its reverse (31222230211), we get a palindrome (42425452424).

The spelling of 11203222213 in words is "eleven billion, two hundred three million, two hundred twenty-two thousand, two hundred thirteen".