2101198173 has 8 divisors (see below), whose sum is σ = 2807923488. Its totient is φ = 1397635824.

The previous prime is 2101198171. The next prime is 2101198193. The reversal of 2101198173 is 3718911012.

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

It is not a de Polignac number, because 2101198173 - 2¹ = 2101198171 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101198171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789190 + ... + 791847.

It is an arithmetic number, because the mean of its divisors is an integer number (350990436).

Almost surely, 2^2101198173 is an apocalyptic number.

It is an amenable number.

2101198173 is a deficient number, since it is larger than the sum of its proper divisors (706725315).

2101198173 is a wasteful number, since it uses less digits than its factorization.

2101198173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581483.

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 2101198173 is about 45838.8282245522. The cubic root of 2101198173 is about 1280.8226671556.

The spelling of 2101198173 in words is "two billion, one hundred one million, one hundred ninety-eight thousand, one hundred seventy-three".