2100000171 has 16 divisors (see below), whose sum is σ = 2989992960. Its totient is φ = 1308118560.

The previous prime is 2100000169. The next prime is 2100000173. The reversal of 2100000171 is 1710000012.

It is an interprime number because it is at equal distance from previous prime (2100000169) and next prime (2100000173).

It is not a de Polignac number, because 2100000171 - 2¹ = 2100000169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100000173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386625 + ... + 392018.

It is an arithmetic number, because the mean of its divisors is an integer number (186874560).

Almost surely, 2^2100000171 is an apocalyptic number.

2100000171 is a deficient number, since it is larger than the sum of its proper divisors (889992789).

2100000171 is a wasteful number, since it uses less digits than its factorization.

2100000171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778706.

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 2100000171 is about 45825.7588153213. The cubic root of 2100000171 is about 1280.5791997461.

Adding to 2100000171 its reverse (1710000012), we get a palindrome (3810000183).

The spelling of 2100000171 in words is "two billion, one hundred million, one hundred seventy-one", and thus it is an aban number.