122201312243 has 2 divisors, whose sum is σ = 122201312244. Its totient is φ = 122201312242.

The previous prime is 122201312201. The next prime is 122201312341. The reversal of 122201312243 is 342213102221.

It is a weak prime.

It is an emirp because it is prime and its reverse (342213102221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122201312243 - 2⁸ = 122201311987 is a prime.

It is a super-2 number, since 2×122201312243² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122201312543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61100656121 + 61100656122.

It is an arithmetic number, because the mean of its divisors is an integer number (61100656122).

Almost surely, 2^122201312243 is an apocalyptic number.

122201312243 is a deficient number, since it is larger than the sum of its proper divisors (1).

122201312243 is an equidigital number, since it uses as much as digits as its factorization.

122201312243 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 23.

Adding to 122201312243 its reverse (342213102221), we get a palindrome (464414414464).

The spelling of 122201312243 in words is "one hundred twenty-two billion, two hundred one million, three hundred twelve thousand, two hundred forty-three".