9221312111012 has 12 divisors (see below), whose sum is σ = 16139142416796. Its totient is φ = 4610128563360.

The previous prime is 9221312110993. The next prime is 9221312111027. The reversal of 9221312111012 is 2101112131229.

It can be written as a sum of positive squares in 2 ways, for example, as 5762813143396 + 3458498967616 = 2400586^2 + 1859704^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131833703 + ... + 131903630.

It is an arithmetic number, because the mean of its divisors is an integer number (1344928534733).

Almost surely, 2^{9221312111012} is an apocalyptic number.

It is an amenable number.

9221312111012 is a deficient number, since it is larger than the sum of its proper divisors (6917830305784).

9221312111012 is a wasteful number, since it uses less digits than its factorization.

9221312111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263746078 (or 263746076 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 9221312111012 in words is "nine trillion, two hundred twenty-one billion, three hundred twelve million, one hundred eleven thousand, twelve".