2112102000091 has 12 divisors (see below), whose sum is σ = 2265866009280. Its totient is φ = 1968178889600.

The previous prime is 2112101999947. The next prime is 2112102000101. The reversal of 2112102000091 is 1900002012112.

It is a happy number.

It is not a de Polignac number, because 2112102000091 - 2¹⁵ = 2112101967323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112102000391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36150571 + ... + 36208948.

It is an arithmetic number, because the mean of its divisors is an integer number (188822167440).

Almost surely, 2^{2112102000091} is an apocalyptic number.

2112102000091 is a deficient number, since it is larger than the sum of its proper divisors (153764009189).

2112102000091 is a wasteful number, since it uses less digits than its factorization.

2112102000091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72359654 (or 72359637 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 2112102000091 in words is "two trillion, one hundred twelve billion, one hundred two million, ninety-one", and thus it is an aban number.