122243342281 has 2 divisors, whose sum is σ = 122243342282. Its totient is φ = 122243342280.

The previous prime is 122243342279. The next prime is 122243342303. The reversal of 122243342281 is 182243342221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63541805625 + 58701536656 = 252075^2 + 242284^2 .

It is a cyclic number.

It is not a de Polignac number, because 122243342281 - 2¹ = 122243342279 is a prime.

It is a super-2 number, since 2×122243342281² (a number of 23 digits) contains 22 as substring.

Together with 122243342279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (122243342681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61121671140 + 61121671141.

It is an arithmetic number, because the mean of its divisors is an integer number (61121671141).

Almost surely, 2^122243342281 is an apocalyptic number.

It is an amenable number.

122243342281 is a deficient number, since it is larger than the sum of its proper divisors (1).

122243342281 is an equidigital number, since it uses as much as digits as its factorization.

122243342281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 34.

The spelling of 122243342281 in words is "one hundred twenty-two billion, two hundred forty-three million, three hundred forty-two thousand, two hundred eighty-one".