2011012122 has 32 divisors (see below), whose sum is σ = 4599516672. Its totient is φ = 574210224.

The previous prime is 2011012121. The next prime is 2011012151. The reversal of 2011012122 is 2212101102.

It is a junction number, because it is equal to n+sod(n) for n = 2011012098 and 2011012107.

It is not an unprimeable number, because it can be changed into a prime (2011012121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55653 + ... + 84375.

It is an arithmetic number, because the mean of its divisors is an integer number (143734896).

Almost surely, 2^2011012122 is an apocalyptic number.

2011012122 is an abundant number, since it is smaller than the sum of its proper divisors (2588504550).

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

2011012122 is a wasteful number, since it uses less digits than its factorization.

2011012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30402.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2011012122 is about 44844.3098062619. The cubic root of 2011012122 is about 1262.2292194752.

Adding to 2011012122 its reverse (2212101102), we get a palindrome (4223113224).

The spelling of 2011012122 in words is "two billion, eleven million, twelve thousand, one hundred twenty-two".