2102112110009 has 4 divisors (see below), whose sum is σ = 2102116008960. Its totient is φ = 2102108211060.

The previous prime is 2102112109997. The next prime is 2102112110053. The reversal of 2102112110009 is 9000112112012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102112110009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102112110209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980069 + ... + 2272610.

It is an arithmetic number, because the mean of its divisors is an integer number (525529002240).

Almost surely, 2^{2102112110009} is an apocalyptic number.

It is an amenable number.

2102112110009 is a deficient number, since it is larger than the sum of its proper divisors (3898951).

2102112110009 is an equidigital number, since it uses as much as digits as its factorization.

2102112110009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898950.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 2102112110009 in words is "two trillion, one hundred two billion, one hundred twelve million, one hundred ten thousand, nine".