2066122711 has 4 divisors (see below), whose sum is σ = 2101141800. Its totient is φ = 2031103624.

The previous prime is 2066122631. The next prime is 2066122763. The reversal of 2066122711 is 1172216602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2066122711 - 2⁹ = 2066122199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2066122711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066122411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17509456 + ... + 17509573.

It is an arithmetic number, because the mean of its divisors is an integer number (525285450).

Almost surely, 2^2066122711 is an apocalyptic number.

2066122711 is a deficient number, since it is larger than the sum of its proper divisors (35019089).

2066122711 is an equidigital number, since it uses as much as digits as its factorization.

2066122711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35019088.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2066122711 is about 45454.6225482073. The cubic root of 2066122711 is about 1273.6556813364.

The spelling of 2066122711 in words is "two billion, sixty-six million, one hundred twenty-two thousand, seven hundred eleven".