222120201313 has 2 divisors, whose sum is σ = 222120201314. Its totient is φ = 222120201312.

The previous prime is 222120201239. The next prime is 222120201337. The reversal of 222120201313 is 313102021222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156884911569 + 65235289744 = 396087^2 + 255412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222120201313 is a prime.

It is not a weakly prime, because it can be changed into another prime (222120201353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060100656 + 111060100657.

It is an arithmetic number, because the mean of its divisors is an integer number (111060100657).

Almost surely, 2^222120201313 is an apocalyptic number.

It is an amenable number.

222120201313 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120201313 is an equidigital number, since it uses as much as digits as its factorization.

222120201313 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 222120201313 its reverse (313102021222), we get a palindrome (535222222535).

The spelling of 222120201313 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred one thousand, three hundred thirteen".