10201110197 has 4 divisors (see below), whose sum is σ = 10476815916. Its totient is φ = 9925404480.

The previous prime is 10201110187. The next prime is 10201110211. The reversal of 10201110197 is 79101110201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79101110201 = 20117 ⋅3932053.

It can be written as a sum of positive squares in 2 ways, for example, as 8673941956 + 1527168241 = 93134^2 + 39079^2 .

It is a cyclic number.

It is not a de Polignac number, because 10201110197 - 2¹⁰ = 10201109173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201110107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137852804 + ... + 137852877.

It is an arithmetic number, because the mean of its divisors is an integer number (2619203979).

Almost surely, 2^10201110197 is an apocalyptic number.

It is an amenable number.

10201110197 is a deficient number, since it is larger than the sum of its proper divisors (275705719).

10201110197 is an equidigital number, since it uses as much as digits as its factorization.

10201110197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275705718.

The product of its (nonzero) digits is 126, while the sum is 23.

Adding to 10201110197 its reverse (79101110201), we get a palindrome (89302220398).

The spelling of 10201110197 in words is "ten billion, two hundred one million, one hundred ten thousand, one hundred ninety-seven".