2102671205 has 16 divisors (see below), whose sum is σ = 2584751040. Its totient is φ = 1641524352.

The previous prime is 2102671199. The next prime is 2102671217. The reversal of 2102671205 is 5021762012.

It is a cyclic number.

It is not a de Polignac number, because 2102671205 - 2⁶ = 2102671141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14402 + ... + 66428.

It is an arithmetic number, because the mean of its divisors is an integer number (161546940).

Almost surely, 2^2102671205 is an apocalyptic number.

It is an amenable number.

2102671205 is a deficient number, since it is larger than the sum of its proper divisors (482079835).

2102671205 is a wasteful number, since it uses less digits than its factorization.

2102671205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52228.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 2102671205 is about 45854.8929232203. The cubic root of 2102671205 is about 1281.1219015141.

The spelling of 2102671205 in words is "two billion, one hundred two million, six hundred seventy-one thousand, two hundred five".