2101445055271 has 2 divisors, whose sum is σ = 2101445055272. Its totient is φ = 2101445055270.

The previous prime is 2101445055253. The next prime is 2101445055319. The reversal of 2101445055271 is 1725505441012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101445055271 - 2⁹ = 2101445054759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2101445055271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101445055071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050722527635 + 1050722527636.

It is an arithmetic number, because the mean of its divisors is an integer number (1050722527636).

Almost surely, 2^{2101445055271} is an apocalyptic number.

2101445055271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101445055271 is an equidigital number, since it uses as much as digits as its factorization.

2101445055271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56000, while the sum is 37.

The spelling of 2101445055271 in words is "two trillion, one hundred one billion, four hundred forty-five million, fifty-five thousand, two hundred seventy-one".