100122018047797 has 2 divisors, whose sum is σ = 100122018047798. Its totient is φ = 100122018047796.

The previous prime is 100122018047759. The next prime is 100122018047803. The reversal of 100122018047797 is 797740810221001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94736467026756 + 5385551021041 = 9733266^2 + 2320679^2 .

It is a cyclic number.

It is not a de Polignac number, because 100122018047797 - 2¹⁵ = 100122018015029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100122018047797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100122018047197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50061009023898 + 50061009023899.

It is an arithmetic number, because the mean of its divisors is an integer number (50061009023899).

Almost surely, 2^{100122018047797} is an apocalyptic number.

It is an amenable number.

100122018047797 is a deficient number, since it is larger than the sum of its proper divisors (1).

100122018047797 is an equidigital number, since it uses as much as digits as its factorization.

100122018047797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 49.

Adding to 100122018047797 its reverse (797740810221001), we get a palindrome (897862828268798).

The spelling of 100122018047797 in words is "one hundred trillion, one hundred twenty-two billion, eighteen million, forty-seven thousand, seven hundred ninety-seven".