102244744250281 has 2 divisors, whose sum is σ = 102244744250282. Its totient is φ = 102244744250280.

The previous prime is 102244744250213. The next prime is 102244744250339. The reversal of 102244744250281 is 182052447442201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99464718240000 + 2780026010281 = 9973200^2 + 1667341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102244744250281 is a prime.

It is a super-2 number, since 2×102244744250281² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102244744200281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51122372125140 + 51122372125141.

It is an arithmetic number, because the mean of its divisors is an integer number (51122372125141).

Almost surely, 2^{102244744250281} is an apocalyptic number.

It is an amenable number.

102244744250281 is a deficient number, since it is larger than the sum of its proper divisors (1).

102244744250281 is an equidigital number, since it uses as much as digits as its factorization.

102244744250281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1146880, while the sum is 46.

The spelling of 102244744250281 in words is "one hundred two trillion, two hundred forty-four billion, seven hundred forty-four million, two hundred fifty thousand, two hundred eighty-one".