8122919111 has 16 divisors (see below), whose sum is σ = 8512512000. Its totient is φ = 7741264608.

The previous prime is 8122919093. The next prime is 8122919153. The reversal of 8122919111 is 1119192218.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8122919111 - 2⁶ = 8122919047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8122919191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727376 + ... + 738458.

It is an arithmetic number, because the mean of its divisors is an integer number (532032000).

Almost surely, 2^8122919111 is an apocalyptic number.

8122919111 is a deficient number, since it is larger than the sum of its proper divisors (389592889).

8122919111 is a wasteful number, since it uses less digits than its factorization.

8122919111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11438.

The product of its digits is 2592, while the sum is 35.

The square root of 8122919111 is about 90127.2384520906. The cubic root of 8122919111 is about 2010.1912403537.

The spelling of 8122919111 in words is "eight billion, one hundred twenty-two million, nine hundred nineteen thousand, one hundred eleven".