2011112146 has 4 divisors (see below), whose sum is σ = 3016668222. Its totient is φ = 1005556072.

The previous prime is 2011112143. The next prime is 2011112167. The reversal of 2011112146 is 6412111102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1136431521 + 874680625 = 33711^2 + 29575^2 .

It is not an unprimeable number, because it can be changed into a prime (2011112141) 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 as a sum of consecutive naturals, namely, 502778035 + ... + 502778038.

Almost surely, 2^2011112146 is an apocalyptic number.

2011112146 is a deficient number, since it is larger than the sum of its proper divisors (1005556076).

2011112146 is a wasteful number, since it uses less digits than its factorization.

2011112146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005556075.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 2011112146 is about 44845.4250286470. The cubic root of 2011112146 is about 1262.2501461056.

Adding to 2011112146 its reverse (6412111102), we get a palindrome (8423223248).

The spelling of 2011112146 in words is "two billion, eleven million, one hundred twelve thousand, one hundred forty-six".