100122018017797 has 2 divisors, whose sum is σ = 100122018017798. Its totient is φ = 100122018017796.

The previous prime is 100122018017789. The next prime is 100122018017837. The reversal of 100122018017797 is 797710810221001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99829952352036 + 292065665761 = 9991494^2 + 540431^2 .

It is a cyclic number.

It is not a de Polignac number, because 100122018017797 - 2³ = 100122018017789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100122018047797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50061009008898 + 50061009008899.

It is an arithmetic number, because the mean of its divisors is an integer number (50061009008899).

Almost surely, 2^{100122018017797} is an apocalyptic number.

It is an amenable number.

100122018017797 is a deficient number, since it is larger than the sum of its proper divisors (1).

100122018017797 is an equidigital number, since it uses as much as digits as its factorization.

100122018017797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 46.

Adding to 100122018017797 its reverse (797710810221001), we get a palindrome (897832828238798).

The spelling of 100122018017797 in words is "one hundred trillion, one hundred twenty-two billion, eighteen million, seventeen thousand, seven hundred ninety-seven".