4021002112 has 32 divisors (see below), whose sum is σ = 8481805920. Its totient is φ = 1892235264.

The previous prime is 4021002101. The next prime is 4021002131. The reversal of 4021002112 is 2112001204.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 4021002092 and 4021002101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921768 + ... + 926119.

It is an arithmetic number, because the mean of its divisors is an integer number (265056435).

Almost surely, 2^4021002112 is an apocalyptic number.

It is an amenable number.

4021002112 is an abundant number, since it is smaller than the sum of its proper divisors (4460803808).

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

4021002112 is a wasteful number, since it uses less digits than its factorization.

4021002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847918 (or 1847906 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 4021002112 is about 63411.3721031173. The cubic root of 4021002112 is about 1590.1744349321.

Adding to 4021002112 its reverse (2112001204), we get a palindrome (6133003316).

The spelling of 4021002112 in words is "four billion, twenty-one million, two thousand, one hundred twelve".