2112011122212 has 48 divisors (see below), whose sum is σ = 5475827230720. Its totient is φ = 703972485216.

The previous prime is 2112011122181. The next prime is 2112011122241. The reversal of 2112011122212 is 2122211102112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2079978 + ... + 2924094.

Almost surely, 2^{2112011122212} is an apocalyptic number.

It is an amenable number.

2112011122212 is an abundant number, since it is smaller than the sum of its proper divisors (3363816108508).

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

2112011122212 is a wasteful number, since it uses less digits than its factorization.

2112011122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867297 (or 867289 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2112011122212 its reverse (2122211102112), we get a palindrome (4234222224324).

The spelling of 2112011122212 in words is "two trillion, one hundred twelve billion, eleven million, one hundred twenty-two thousand, two hundred twelve".