11666110002222 has 32 divisors (see below), whose sum is σ = 25480907665920. Its totient is φ = 3539014950240.

The previous prime is 11666110002143. The next prime is 11666110002269. The reversal of 11666110002222 is 22220001166611.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11666110002222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053272722 + ... + 1053283797.

It is an arithmetic number, because the mean of its divisors is an integer number (796278364560).

Almost surely, 2^{11666110002222} is an apocalyptic number.

11666110002222 is an abundant number, since it is smaller than the sum of its proper divisors (13814797663698).

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

11666110002222 is a wasteful number, since it uses less digits than its factorization.

11666110002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106556608.

The product of its (nonzero) digits is 3456, while the sum is 30.

Adding to 11666110002222 its reverse (22220001166611), we get a palindrome (33886111168833).

The spelling of 11666110002222 in words is "eleven trillion, six hundred sixty-six billion, one hundred ten million, two thousand, two hundred twenty-two".