4021112 has 16 divisors (see below), whose sum is σ = 7983360. Its totient is φ = 1892224.

The previous prime is 4021099. The next prime is 4021151. The reversal of 4021112 is 2111204.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4021093 and 4021102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14648 + ... + 14919.

It is an arithmetic number, because the mean of its divisors is an integer number (498960).

Almost surely, 2^4021112 is an apocalyptic number.

It is an amenable number.

4021112 is a deficient number, since it is larger than the sum of its proper divisors (3962248).

4021112 is a wasteful number, since it uses less digits than its factorization.

4021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29590 (or 29586 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 4021112 is about 2005.2710539974. The cubic root of 4021112 is about 159.0188920500.

Adding to 4021112 its reverse (2111204), we get a palindrome (6132316).

The spelling of 4021112 in words is "four million, twenty-one thousand, one hundred twelve".