2112108705 has 48 divisors (see below), whose sum is σ = 4189595904. Its totient is φ = 964241280.

The previous prime is 2112108643. The next prime is 2112108793. The reversal of 2112108705 is 5078012112.

2112108705 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2112108705 - 2⁶ = 2112108641 is a prime.

It is a super-2 number, since 2×2112108705² = 8922006363473554050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 254532 + ... + 262698.

It is an arithmetic number, because the mean of its divisors is an integer number (87283248).

Almost surely, 2^2112108705 is an apocalyptic number.

It is an amenable number.

2112108705 is a deficient number, since it is larger than the sum of its proper divisors (2077487199).

2112108705 is a wasteful number, since it uses less digits than its factorization.

2112108705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9006 (or 9003 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 2112108705 is about 45957.6838515607. The cubic root of 2112108705 is about 1283.0357439325.

The spelling of 2112108705 in words is "two billion, one hundred twelve million, one hundred eight thousand, seven hundred five".