9811112022112 has 24 divisors (see below), whose sum is σ = 19378544164056. Its totient is φ = 4889576996352.

The previous prime is 9811112022071. The next prime is 9811112022121. The reversal of 9811112022112 is 2112202111189.

It is a happy number.

It is a super-2 number, since 2×9811112022112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 499334233 + ... + 499353880.

It is an arithmetic number, because the mean of its divisors is an integer number (807439340169).

Almost surely, 2^{9811112022112} is an apocalyptic number.

It is an amenable number.

9811112022112 is a deficient number, since it is larger than the sum of its proper divisors (9567432141944).

9811112022112 is a wasteful number, since it uses less digits than its factorization.

9811112022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998688430 (or 998688422 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 31.

The spelling of 9811112022112 in words is "nine trillion, eight hundred eleven billion, one hundred twelve million, twenty-two thousand, one hundred twelve".