2011213112 has 8 divisors (see below), whose sum is σ = 3771024600. Its totient is φ = 1005606552.

The previous prime is 2011213111. The next prime is 2011213117. The reversal of 2011213112 is 2113121102.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011213111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125700812 + ... + 125700827.

It is an arithmetic number, because the mean of its divisors is an integer number (471378075).

Almost surely, 2^2011213112 is an apocalyptic number.

It is an amenable number.

2011213112 is a deficient number, since it is larger than the sum of its proper divisors (1759811488).

2011213112 is a wasteful number, since it uses less digits than its factorization.

2011213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251401645 (or 251401641 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2011213112 is about 44846.5507257805. The cubic root of 2011213112 is about 1262.2712691139.

Adding to 2011213112 its reverse (2113121102), we get a palindrome (4124334214).

The spelling of 2011213112 in words is "two billion, eleven million, two hundred thirteen thousand, one hundred twelve".