2102010200197 has 8 divisors (see below), whose sum is σ = 2110162606200. Its totient is φ = 2093860300224.

The previous prime is 2102010200189. The next prime is 2102010200239. The reversal of 2102010200197 is 7910020102012.

It can be written as a sum of positive squares in 4 ways, for example, as 78714474721 + 2023295725476 = 280561^2 + 1422426^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2102010200197 - 2³ = 2102010200189 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 (2102010200177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063123 + ... + 2309599.

It is an arithmetic number, because the mean of its divisors is an integer number (263770325775).

Almost surely, 2^{2102010200197} is an apocalyptic number.

It is an amenable number.

2102010200197 is a deficient number, since it is larger than the sum of its proper divisors (8152406003).

2102010200197 is a wasteful number, since it uses less digits than its factorization.

2102010200197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253015.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 2102010200197 in words is "two trillion, one hundred two billion, ten million, two hundred thousand, one hundred ninety-seven".