201223220113 has 2 divisors, whose sum is σ = 201223220114. Its totient is φ = 201223220112.

The previous prime is 201223220087. The next prime is 201223220137. The reversal of 201223220113 is 311022322102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200531109249 + 692110864 = 447807^2 + 26308^2 .

It is a cyclic number.

It is not a de Polignac number, because 201223220113 - 2⁹ = 201223219601 is a prime.

It is not a weakly prime, because it can be changed into another prime (201223227113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100611610056 + 100611610057.

It is an arithmetic number, because the mean of its divisors is an integer number (100611610057).

Almost surely, 2^201223220113 is an apocalyptic number.

It is an amenable number.

201223220113 is a deficient number, since it is larger than the sum of its proper divisors (1).

201223220113 is an equidigital number, since it uses as much as digits as its factorization.

201223220113 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 201223220113 its reverse (311022322102), we get a palindrome (512245542215).

The spelling of 201223220113 in words is "two hundred one billion, two hundred twenty-three million, two hundred twenty thousand, one hundred thirteen".