1112212112166 has 12 divisors (see below), whose sum is σ = 2409792909732. Its totient is φ = 370737370716.

The previous prime is 1112212112131. The next prime is 1112212112189. The reversal of 1112212112166 is 6612112122111.

1112212112166 is a `hidden beast` number, since 1 + 11 + 221 + 211 + 216 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30894780876 + ... + 30894780911.

It is an arithmetic number, because the mean of its divisors is an integer number (200816075811).

Almost surely, 2^{1112212112166} is an apocalyptic number.

1112212112166 is an abundant number, since it is smaller than the sum of its proper divisors (1297580797566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112212112166 is a wasteful number, since it uses less digits than its factorization.

1112212112166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61789561795 (or 61789561792 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

Adding to 1112212112166 its reverse (6612112122111), we get a palindrome (7724324234277).

The spelling of 1112212112166 in words is "one trillion, one hundred twelve billion, two hundred twelve million, one hundred twelve thousand, one hundred sixty-six".