2102109433571 has 32 divisors (see below), whose sum is σ = 2589668252160. Its totient is φ = 1665987595776.

The previous prime is 2102109433519. The next prime is 2102109433573. The reversal of 2102109433571 is 1753349012012.

It is not a de Polignac number, because 2102109433571 - 2³⁴ = 2084929564387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102109433573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7275845 + ... + 7559241.

It is an arithmetic number, because the mean of its divisors is an integer number (80927132880).

Almost surely, 2^{2102109433571} is an apocalyptic number.

2102109433571 is a deficient number, since it is larger than the sum of its proper divisors (487558818589).

2102109433571 is a wasteful number, since it uses less digits than its factorization.

2102109433571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284763.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 2102109433571 in words is "two trillion, one hundred two billion, one hundred nine million, four hundred thirty-three thousand, five hundred seventy-one".