101000128469197 has 2 divisors, whose sum is σ = 101000128469198. Its totient is φ = 101000128469196.

The previous prime is 101000128469179. The next prime is 101000128469221. The reversal of 101000128469197 is 791964821000101.

Together with previous prime (101000128469179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100788628737316 + 211499731881 = 10039354^2 + 459891^2 .

It is a cyclic number.

It is not a de Polignac number, because 101000128469197 - 2¹¹ = 101000128467149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101000128469197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101000128469147) 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, 50500064234598 + 50500064234599.

It is an arithmetic number, because the mean of its divisors is an integer number (50500064234599).

Almost surely, 2^{101000128469197} is an apocalyptic number.

It is an amenable number.

101000128469197 is a deficient number, since it is larger than the sum of its proper divisors (1).

101000128469197 is an equidigital number, since it uses as much as digits as its factorization.

101000128469197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 49.

Adding to 101000128469197 its reverse (791964821000101), we get a palindrome (892964949469298).

The spelling of 101000128469197 in words is "one hundred one trillion, one hundred twenty-eight million, four hundred sixty-nine thousand, one hundred ninety-seven".