9111020022212 has 12 divisors (see below), whose sum is σ = 15946332119340. Its totient is φ = 4554925130976.

The previous prime is 9111020022187. The next prime is 9111020022257. The reversal of 9111020022212 is 2122200201119.

It can be written as a sum of positive squares in 2 ways, for example, as 5614890419776 + 3496129602436 = 2369576^2 + 1869794^2 .

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, 146184983 + ... + 146247294.

It is an arithmetic number, because the mean of its divisors is an integer number (1328861009945).

Almost surely, 2^{9111020022212} is an apocalyptic number.

It is an amenable number.

9111020022212 is a deficient number, since it is larger than the sum of its proper divisors (6835312097128).

9111020022212 is a wasteful number, since it uses less digits than its factorization.

9111020022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292440070 (or 292440068 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 9111020022212 in words is "nine trillion, one hundred eleven billion, twenty million, twenty-two thousand, two hundred twelve".