2666314322121 has 8 divisors (see below), whose sum is σ = 3595030547040. Its totient is φ = 1757570489312.

The previous prime is 2666314322083. The next prime is 2666314322171. The reversal of 2666314322121 is 1212234136662.

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 2666314322121 - 2⁹ = 2666314321609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2666314322121.

It is not an unprimeable number, because it can be changed into a prime (2666314322171) 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, 4993097715 + ... + 4993098248.

It is an arithmetic number, because the mean of its divisors is an integer number (449378818380).

Almost surely, 2^{2666314322121} is an apocalyptic number.

It is an amenable number.

2666314322121 is a deficient number, since it is larger than the sum of its proper divisors (928716224919).

2666314322121 is an equidigital number, since it uses as much as digits as its factorization.

2666314322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9986196055.

The product of its digits is 124416, while the sum is 39.

Adding to 2666314322121 its reverse (1212234136662), we get a palindrome (3878548458783).

The spelling of 2666314322121 in words is "two trillion, six hundred sixty-six billion, three hundred fourteen million, three hundred twenty-two thousand, one hundred twenty-one".