2211666110361 has 48 divisors (see below), whose sum is σ = 3364241444928. Its totient is φ = 1451777256000.

The previous prime is 2211666110309. The next prime is 2211666110393. The reversal of 2211666110361 is 1630116661122.

It is not a de Polignac number, because 2211666110361 - 2⁷ = 2211666110233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211666110561) 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 47 ways as a sum of consecutive naturals, for example, 4193350 + ... + 4691216.

It is an arithmetic number, because the mean of its divisors is an integer number (70088363436).

Almost surely, 2^{2211666110361} is an apocalyptic number.

It is an amenable number.

2211666110361 is a deficient number, since it is larger than the sum of its proper divisors (1152575334567).

2211666110361 is a wasteful number, since it uses less digits than its factorization.

2211666110361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498164 (or 498152 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 2211666110361 in words is "two trillion, two hundred eleven billion, six hundred sixty-six million, one hundred ten thousand, three hundred sixty-one".