8916218848121 has 96 divisors (see below), whose sum is σ = 10203663052800. Its totient is φ = 7777360281600.

The previous prime is 8916218848111. The next prime is 8916218848129. The reversal of 8916218848121 is 1218488126198.

8916218848121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8916218848121 - 2¹⁸ = 8916218585977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8916218848129) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22234959521 + ... + 22234959921.

It is an arithmetic number, because the mean of its divisors is an integer number (106288156800).

Almost surely, 2^{8916218848121} is an apocalyptic number.

It is an amenable number.

8916218848121 is a deficient number, since it is larger than the sum of its proper divisors (1287444204679).

8916218848121 is a wasteful number, since it uses less digits than its factorization.

8916218848121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 966 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 59.

The spelling of 8916218848121 in words is "eight trillion, nine hundred sixteen billion, two hundred eighteen million, eight hundred forty-eight thousand, one hundred twenty-one".