113223102281 has 2 divisors, whose sum is σ = 113223102282. Its totient is φ = 113223102280.

The previous prime is 113223102257. The next prime is 113223102301. The reversal of 113223102281 is 182201322311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104099796025 + 9123306256 = 322645^2 + 95516^2 .

It is a cyclic number.

It is not a de Polignac number, because 113223102281 - 2¹⁴ = 113223085897 is a prime.

It is a super-2 number, since 2×113223102281² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113223102281.

It is not a weakly prime, because it can be changed into another prime (113223102481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56611551140 + 56611551141.

It is an arithmetic number, because the mean of its divisors is an integer number (56611551141).

Almost surely, 2^113223102281 is an apocalyptic number.

It is an amenable number.

113223102281 is a deficient number, since it is larger than the sum of its proper divisors (1).

113223102281 is an equidigital number, since it uses as much as digits as its factorization.

113223102281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 113223102281 its reverse (182201322311), we get a palindrome (295424424592).

The spelling of 113223102281 in words is "one hundred thirteen billion, two hundred twenty-three million, one hundred two thousand, two hundred eighty-one".