4042122422121 has 36 divisors (see below), whose sum is σ = 6792008371200. Its totient is φ = 2309735676528.

The previous prime is 4042122422101. The next prime is 4042122422123. The reversal of 4042122422121 is 1212242212404.

4042122422121 is a `hidden beast` number, since 4 + 0 + 4 + 212 + 2 + 422 + 1 + 21 = 666.

4042122422121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4042122422121 - 2¹⁷ = 4042122291049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4042122422123) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37624960 + ... + 37732238.

It is an arithmetic number, because the mean of its divisors is an integer number (188666899200).

Almost surely, 2^{4042122422121} is an apocalyptic number.

It is an amenable number.

4042122422121 is a deficient number, since it is larger than the sum of its proper divisors (2749885949079).

4042122422121 is a wasteful number, since it uses less digits than its factorization.

4042122422121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192738 (or 192728 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 4042122422121 its reverse (1212242212404), we get a palindrome (5254364634525).

The spelling of 4042122422121 in words is "four trillion, forty-two billion, one hundred twenty-two million, four hundred twenty-two thousand, one hundred twenty-one".