2121083112 has 32 divisors (see below), whose sum is σ = 5311339200. Its totient is φ = 705876864.

The previous prime is 2121083051. The next prime is 2121083117. The reversal of 2121083112 is 2113801212.

It is not an unprimeable number, because it can be changed into a prime (2121083117) 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 in 7 ways as a sum of consecutive naturals, for example, 56812 + ... + 86427.

It is an arithmetic number, because the mean of its divisors is an integer number (165979350).

Almost surely, 2^2121083112 is an apocalyptic number.

It is an amenable number.

2121083112 is an abundant number, since it is smaller than the sum of its proper divisors (3190256088).

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

2121083112 is a wasteful number, since it uses less digits than its factorization.

2121083112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143865 (or 143861 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 2121083112 is about 46055.2180756969. The cubic root of 2121083112 is about 1284.8503940450.

Adding to 2121083112 its reverse (2113801212), we get a palindrome (4234884324).

The spelling of 2121083112 in words is "two billion, one hundred twenty-one million, eighty-three thousand, one hundred twelve".