9111012102212 has 12 divisors (see below), whose sum is σ = 16783443346320. Its totient is φ = 4315742574696.

The previous prime is 9111012102139. The next prime is 9111012102217. The reversal of 9111012102212 is 2122012101119.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9111012102217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59940869018 + ... + 59940869169.

It is an arithmetic number, because the mean of its divisors is an integer number (1398620278860).

Almost surely, 2^{9111012102212} is an apocalyptic number.

It is an amenable number.

9111012102212 is a deficient number, since it is larger than the sum of its proper divisors (7672431244108).

9111012102212 is a wasteful number, since it uses less digits than its factorization.

9111012102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119881738210 (or 119881738208 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 9111012102212 in words is "nine trillion, one hundred eleven billion, twelve million, one hundred two thousand, two hundred twelve".