5566671010121 has 8 divisors (see below), whose sum is σ = 5997300638280. Its totient is φ = 5136387691392.

The previous prime is 5566671010111. The next prime is 5566671010189. The reversal of 5566671010121 is 1210101766655.

It can be written as a sum of positive squares in 4 ways, for example, as 477874951225 + 5088796058896 = 691285^2 + 2255836^2 .

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 5566671010121 - 2¹⁸ = 5566670747977 is a prime.

It is a super-2 number, since 2×5566671010121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5566671010111) 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 7 ways as a sum of consecutive naturals, for example, 86543966 + ... + 86608263.

It is an arithmetic number, because the mean of its divisors is an integer number (749662579785).

Almost surely, 2^{5566671010121} is an apocalyptic number.

It is an amenable number.

5566671010121 is a deficient number, since it is larger than the sum of its proper divisors (430629628159).

5566671010121 is a wasteful number, since it uses less digits than its factorization.

5566671010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173154715.

The product of its (nonzero) digits is 75600, while the sum is 41.

Adding to 5566671010121 its reverse (1210101766655), we get a palindrome (6776772776776).

The spelling of 5566671010121 in words is "five trillion, five hundred sixty-six billion, six hundred seventy-one million, ten thousand, one hundred twenty-one".