2011122112 has 28 divisors (see below), whose sum is σ = 3997472320. Its totient is φ = 1003885056.

The previous prime is 2011122109. The next prime is 2011122137. The reversal of 2011122112 is 2112211102.

It is a super-2 number, since 2×2011122112² = 8089224298750681088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011122092 and 2011122101.

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, 12964 + ... + 64732.

Almost surely, 2^2011122112 is an apocalyptic number.

It is an amenable number.

2011122112 is a deficient number, since it is larger than the sum of its proper divisors (1986350208).

2011122112 is an equidigital number, since it uses as much as digits as its factorization.

2011122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52388 (or 52378 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2011122112 is about 44845.5361435227. The cubic root of 2011122112 is about 1262.2522311152.

Adding to 2011122112 its reverse (2112211102), we get a palindrome (4123333214).

The spelling of 2011122112 in words is "two billion, eleven million, one hundred twenty-two thousand, one hundred twelve".