2102010109 has 8 divisors (see below), whose sum is σ = 2239302240. Its totient is φ = 1967384016.

The previous prime is 2102010083. The next prime is 2102010133. The reversal of 2102010109 is 9010102012.

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 2102010109 - 2⁵ = 2102010077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102010092 and 2102010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102010709) 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, 664882 + ... + 668035.

It is an arithmetic number, because the mean of its divisors is an integer number (279912780).

Almost surely, 2^2102010109 is an apocalyptic number.

It is an amenable number.

2102010109 is a deficient number, since it is larger than the sum of its proper divisors (137292131).

2102010109 is a wasteful number, since it uses less digits than its factorization.

2102010109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333019.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 2102010109 is about 45847.6837910052. The cubic root of 2102010109 is about 1280.9876225804.

The spelling of 2102010109 in words is "two billion, one hundred two million, ten thousand, one hundred nine".