4121021112 has 256 divisors, whose sum is σ = 12083904000. Its totient is φ = 1160552448.

The previous prime is 4121021111. The next prime is 4121021129. The reversal of 4121021112 is 2111201214.

It is a junction number, because it is equal to n+sod(n) for n = 4121021091 and 4121021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121021111) 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 63 ways as a sum of consecutive naturals, for example, 38514163 + ... + 38514269.

It is an arithmetic number, because the mean of its divisors is an integer number (47202750).

Almost surely, 2^4121021112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4121021112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6041952000).

4121021112 is an abundant number, since it is smaller than the sum of its proper divisors (7962882888).

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

4121021112 is a wasteful number, since it uses less digits than its factorization.

4121021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 4121021112 is about 64195.1798190487. The cubic root of 4121021112 is about 1603.2513457854.

Adding to 4121021112 its reverse (2111201214), we get a palindrome (6232222326).

The spelling of 4121021112 in words is "four billion, one hundred twenty-one million, twenty-one thousand, one hundred twelve".