4002422043121 has 16 divisors (see below), whose sum is σ = 4173029849088. Its totient is φ = 3835504008000.

The previous prime is 4002422043083. The next prime is 4002422043149. The reversal of 4002422043121 is 1213402242004.

It is a cyclic number.

It is not a de Polignac number, because 4002422043121 - 2¹¹ = 4002422041073 is a prime.

It is a super-2 number, since 2×4002422043121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4002422023121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2089965 + ... + 3517498.

It is an arithmetic number, because the mean of its divisors is an integer number (260814365568).

Almost surely, 2^{4002422043121} is an apocalyptic number.

It is an amenable number.

4002422043121 is a deficient number, since it is larger than the sum of its proper divisors (170607805967).

4002422043121 is a wasteful number, since it uses less digits than its factorization.

4002422043121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5607792.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 4002422043121 its reverse (1213402242004), we get a palindrome (5215824285125).

The spelling of 4002422043121 in words is "four trillion, two billion, four hundred twenty-two million, forty-three thousand, one hundred twenty-one".