122342222243261 has 2 divisors, whose sum is σ = 122342222243262. Its totient is φ = 122342222243260.

The previous prime is 122342222243209. The next prime is 122342222243273. The reversal of 122342222243261 is 162342222243221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92633290895161 + 29708931348100 = 9624619^2 + 5450590^2 .

It is an emirp because it is prime and its reverse (162342222243221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122342222243261 - 2³⁴ = 122325042374077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122342222245261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61171111121630 + 61171111121631.

It is an arithmetic number, because the mean of its divisors is an integer number (61171111121631).

Almost surely, 2^{122342222243261} is an apocalyptic number.

It is an amenable number.

122342222243261 is a deficient number, since it is larger than the sum of its proper divisors (1).

122342222243261 is an equidigital number, since it uses as much as digits as its factorization.

122342222243261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 38.

Adding to 122342222243261 its reverse (162342222243221), we get a palindrome (284684444486482).

The spelling of 122342222243261 in words is "one hundred twenty-two trillion, three hundred forty-two billion, two hundred twenty-two million, two hundred forty-three thousand, two hundred sixty-one".