4221002112 has 32 divisors (see below), whose sum is σ = 11212037880. Its totient is φ = 1407000576.

The previous prime is 4221002087. The next prime is 4221002117. The reversal of 4221002112 is 2112001224.

4221002112 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 = 4221002091 and 4221002100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221002117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5495713 + ... + 5496480.

Almost surely, 2^4221002112 is an apocalyptic number.

It is an amenable number.

4221002112 is an abundant number, since it is smaller than the sum of its proper divisors (6991035768).

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

4221002112 is a wasteful number, since it uses less digits than its factorization.

4221002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10992210 (or 10992198 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 4221002112 is about 64969.2397369709. The cubic root of 4221002112 is about 1616.1134939732.

Adding to 4221002112 its reverse (2112001224), we get a palindrome (6333003336).

The spelling of 4221002112 in words is "four billion, two hundred twenty-one million, two thousand, one hundred twelve".