4021442000122 has 4 divisors (see below), whose sum is σ = 6032163000186. Its totient is φ = 2010721000060.

The previous prime is 4021442000111. The next prime is 4021442000137. The reversal of 4021442000122 is 2210002441204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2056760407881 + 1964681592241 = 1434141^2 + 1401671^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4021442000093 and 4021442000102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005360500029 + ... + 1005360500032.

Almost surely, 2^{4021442000122} is an apocalyptic number.

4021442000122 is a deficient number, since it is larger than the sum of its proper divisors (2010721000064).

4021442000122 is a wasteful number, since it uses less digits than its factorization.

4021442000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010721000063.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 4021442000122 its reverse (2210002441204), we get a palindrome (6231444441326).

The spelling of 4021442000122 in words is "four trillion, twenty-one billion, four hundred forty-two million, one hundred twenty-two", and thus it is an aban number.