8500110112221 has 256 divisors, whose sum is σ = 15046727270400. Its totient is φ = 4148388421632.

The previous prime is 8500110112211. The next prime is 8500110112253. The reversal of 8500110112221 is 1222110110058.

It is not a de Polignac number, because 8500110112221 - 2⁶ = 8500110112157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8500110112191 and 8500110112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8500110112211) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 6871551615 + ... + 6871552851.

It is an arithmetic number, because the mean of its divisors is an integer number (58776278400).

Almost surely, 2^{8500110112221} is an apocalyptic number.

It is an amenable number.

8500110112221 is a deficient number, since it is larger than the sum of its proper divisors (6546617158179).

8500110112221 is a wasteful number, since it uses less digits than its factorization.

8500110112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708.

The product of its (nonzero) digits is 320, while the sum is 24.

Adding to 8500110112221 its reverse (1222110110058), we get a palindrome (9722220222279).

The spelling of 8500110112221 in words is "eight trillion, five hundred billion, one hundred ten million, one hundred twelve thousand, two hundred twenty-one".