12213201113 has 2 divisors, whose sum is σ = 12213201114. Its totient is φ = 12213201112.

The previous prime is 12213201109. The next prime is 12213201137. The reversal of 12213201113 is 31110231221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6867105424 + 5346095689 = 82868^2 + 73117^2 .

It is an emirp because it is prime and its reverse (31110231221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12213201113 - 2² = 12213201109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12213201091 and 12213201100.

It is not a weakly prime, because it can be changed into another prime (12213201163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106600556 + 6106600557.

It is an arithmetic number, because the mean of its divisors is an integer number (6106600557).

Almost surely, 2^12213201113 is an apocalyptic number.

It is an amenable number.

12213201113 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213201113 is an equidigital number, since it uses as much as digits as its factorization.

12213201113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12213201113 its reverse (31110231221), we get a palindrome (43323432334).

The spelling of 12213201113 in words is "twelve billion, two hundred thirteen million, two hundred one thousand, one hundred thirteen".