8799111211121 has 16 divisors (see below), whose sum is σ = 10973100257280. Its totient is φ = 6854712928080.

The previous prime is 8799111211073. The next prime is 8799111211133. The reversal of 8799111211121 is 1211121119978.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8799111211121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8799111211321) 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 15 ways as a sum of consecutive naturals, for example, 14172161 + ... + 14779998.

It is an arithmetic number, because the mean of its divisors is an integer number (685818766080).

Almost surely, 2^{8799111211121} is an apocalyptic number.

It is an amenable number.

8799111211121 is a deficient number, since it is larger than the sum of its proper divisors (2173989046159).

8799111211121 is a wasteful number, since it uses less digits than its factorization.

8799111211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28956124.

The product of its digits is 18144, while the sum is 44.

The spelling of 8799111211121 in words is "eight trillion, seven hundred ninety-nine billion, one hundred eleven million, two hundred eleven thousand, one hundred twenty-one".