2006122711 has 4 divisors (see below), whose sum is σ = 2006253424. Its totient is φ = 2005992000.

The previous prime is 2006122697. The next prime is 2006122717. The reversal of 2006122711 is 1172216002.

It is a happy number.

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 2006122711 - 2¹⁷ = 2005991639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006122717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38715 + ... + 74236.

It is an arithmetic number, because the mean of its divisors is an integer number (501563356).

Almost surely, 2^2006122711 is an apocalyptic number.

2006122711 is a deficient number, since it is larger than the sum of its proper divisors (130713).

2006122711 is a wasteful number, since it uses less digits than its factorization.

2006122711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130712.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 2006122711 is about 44789.7612295489. The cubic root of 2006122711 is about 1261.2054288835.

Adding to 2006122711 its reverse (1172216002), we get a palindrome (3178338713).

The spelling of 2006122711 in words is "two billion, six million, one hundred twenty-two thousand, seven hundred eleven".