4002112122 has 8 divisors (see below), whose sum is σ = 8004224256. Its totient is φ = 1334037372.

The previous prime is 4002112117. The next prime is 4002112123. The reversal of 4002112122 is 2212112004.

It is a sphenic number, since it is the product of 3 distinct primes.

4002112122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4002112123) 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, 333509338 + ... + 333509349.

It is an arithmetic number, because the mean of its divisors is an integer number (1000528032).

Almost surely, 2^4002112122 is an apocalyptic number.

4002112122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4002112122 is a wasteful number, since it uses less digits than its factorization.

4002112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667018692.

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

The square root of 4002112122 is about 63262.2487902540. The cubic root of 4002112122 is about 1587.6804015293.

Adding to 4002112122 its reverse (2212112004), we get a palindrome (6214224126).

The spelling of 4002112122 in words is "four billion, two million, one hundred twelve thousand, one hundred twenty-two".