2311122666 has 8 divisors (see below), whose sum is σ = 4622245344. Its totient is φ = 770374220.

The previous prime is 2311122641. The next prime is 2311122673. The reversal of 2311122666 is 6662211132.

2311122666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

2311122666 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192593550 + ... + 192593561.

It is an arithmetic number, because the mean of its divisors is an integer number (577780668).

Almost surely, 2^2311122666 is an apocalyptic number.

2311122666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2311122666 is a wasteful number, since it uses less digits than its factorization.

2311122666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385187116.

The product of its digits is 5184, while the sum is 30.

The square root of 2311122666 is about 48074.1371841451. The cubic root of 2311122666 is about 1322.1305252036.

Adding to 2311122666 its reverse (6662211132), we get a palindrome (8973333798).

The spelling of 2311122666 in words is "two billion, three hundred eleven million, one hundred twenty-two thousand, six hundred sixty-six".