2081071871211 has 8 divisors (see below), whose sum is σ = 2775652139520. Its totient is φ = 1386936425192.

The previous prime is 2081071871209. The next prime is 2081071871251. The reversal of 2081071871211 is 1121781701802.

It is a happy number.

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 2081071871211 - 2¹ = 2081071871209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2081071871211.

It is not an unprimeable number, because it can be changed into a prime (2081071871251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111194655 + ... + 111213368.

It is an arithmetic number, because the mean of its divisors is an integer number (346956517440).

Almost surely, 2^{2081071871211} is an apocalyptic number.

2081071871211 is a deficient number, since it is larger than the sum of its proper divisors (694580268309).

2081071871211 is a wasteful number, since it uses less digits than its factorization.

2081071871211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222411145.

The product of its (nonzero) digits is 12544, while the sum is 39.

The spelling of 2081071871211 in words is "two trillion, eighty-one billion, seventy-one million, eight hundred seventy-one thousand, two hundred eleven".