122123321103281 has 2 divisors, whose sum is σ = 122123321103282. Its totient is φ = 122123321103280.

The previous prime is 122123321103257. The next prime is 122123321103307. The reversal of 122123321103281 is 182301123321221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99246624307600 + 22876696795681 = 9962260^2 + 4782959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122123321103281 is a prime.

It is a super-2 number, since 2×122123321103281² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122123321100281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61061660551640 + 61061660551641.

It is an arithmetic number, because the mean of its divisors is an integer number (61061660551641).

Almost surely, 2^{122123321103281} is an apocalyptic number.

It is an amenable number.

122123321103281 is a deficient number, since it is larger than the sum of its proper divisors (1).

122123321103281 is an equidigital number, since it uses as much as digits as its factorization.

122123321103281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 122123321103281 in words is "one hundred twenty-two trillion, one hundred twenty-three billion, three hundred twenty-one million, one hundred three thousand, two hundred eighty-one".