2321121112 has 32 divisors (see below), whose sum is σ = 4614278400. Its totient is φ = 1090829824.

The previous prime is 2321121083. The next prime is 2321121119. The reversal of 2321121112 is 2111211232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321121119) 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, 94089 + ... + 116167.

It is an arithmetic number, because the mean of its divisors is an integer number (144196200).

Almost surely, 2^2321121112 is an apocalyptic number.

It is an amenable number.

2321121112 is a deficient number, since it is larger than the sum of its proper divisors (2293157288).

2321121112 is a wasteful number, since it uses less digits than its factorization.

2321121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22875 (or 22871 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 2321121112 is about 48178.0148200401. The cubic root of 2321121112 is about 1324.0343954701.

Adding to 2321121112 its reverse (2111211232), we get a palindrome (4432332344).

The spelling of 2321121112 in words is "two billion, three hundred twenty-one million, one hundred twenty-one thousand, one hundred twelve".