100122120064663 has 2 divisors, whose sum is σ = 100122120064664. Its totient is φ = 100122120064662.

The previous prime is 100122120064661. The next prime is 100122120064693. The reversal of 100122120064663 is 366460021221001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100122120064663 - 2¹ = 100122120064661 is a prime.

Together with 100122120064661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100122120064661) 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, 50061060032331 + 50061060032332.

It is an arithmetic number, because the mean of its divisors is an integer number (50061060032332).

Almost surely, 2^{100122120064663} is an apocalyptic number.

100122120064663 is a deficient number, since it is larger than the sum of its proper divisors (1).

100122120064663 is an equidigital number, since it uses as much as digits as its factorization.

100122120064663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 100122120064663 its reverse (366460021221001), we get a palindrome (466582141285664).

The spelling of 100122120064663 in words is "one hundred trillion, one hundred twenty-two billion, one hundred twenty million, sixty-four thousand, six hundred sixty-three".