2011011122112 has 56 divisors (see below), whose sum is σ = 5384906330496. Its totient is φ = 662260685568.

The previous prime is 2011011122111. The next prime is 2011011122129. The reversal of 2011011122112 is 2112211101102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2011011122091 and 2011011122100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011011122111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63080548 + ... + 63112419.

It is an arithmetic number, because the mean of its divisors is an integer number (96159041616).

Almost surely, 2^{2011011122112} is an apocalyptic number.

It is an amenable number.

2011011122112 is an abundant number, since it is smaller than the sum of its proper divisors (3373895208384).

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

2011011122112 is a wasteful number, since it uses less digits than its factorization.

2011011122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126193065 (or 126193055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2011011122112 its reverse (2112211101102), we get a palindrome (4123222223214).

The spelling of 2011011122112 in words is "two trillion, eleven billion, eleven million, one hundred twenty-two thousand, one hundred twelve".