9111110012 has 12 divisors (see below), whose sum is σ = 15945120576. Its totient is φ = 4555361280.

The previous prime is 9111110009. The next prime is 9111110059. The reversal of 9111110012 is 2100111119.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132437 + ... + 189107.

It is an arithmetic number, because the mean of its divisors is an integer number (1328760048).

Almost surely, 2^9111110012 is an apocalyptic number.

It is an amenable number.

9111110012 is a deficient number, since it is larger than the sum of its proper divisors (6834010564).

9111110012 is a wasteful number, since it uses less digits than its factorization.

9111110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96868 (or 96866 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 17.

The square root of 9111110012 is about 95452.1346644484. The cubic root of 9111110012 is about 2088.6087680336.

The spelling of 9111110012 in words is "nine billion, one hundred eleven million, one hundred ten thousand, twelve".