102622265236861 has 2 divisors, whose sum is σ = 102622265236862. Its totient is φ = 102622265236860.

The previous prime is 102622265236853. The next prime is 102622265236879. The reversal of 102622265236861 is 168632562226201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86138705836836 + 16483559400025 = 9281094^2 + 4059995^2 .

It is a cyclic number.

It is not a de Polignac number, because 102622265236861 - 2³ = 102622265236853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102622265236799 and 102622265236808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102622265236261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51311132618430 + 51311132618431.

It is an arithmetic number, because the mean of its divisors is an integer number (51311132618431).

Almost surely, 2^{102622265236861} is an apocalyptic number.

It is an amenable number.

102622265236861 is a deficient number, since it is larger than the sum of its proper divisors (1).

102622265236861 is an equidigital number, since it uses as much as digits as its factorization.

102622265236861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 102622265236861 in words is "one hundred two trillion, six hundred twenty-two billion, two hundred sixty-five million, two hundred thirty-six thousand, eight hundred sixty-one".