42220121041 has 16 divisors (see below), whose sum is σ = 48375339264. Its totient is φ = 36095963904.

The previous prime is 42220121017. The next prime is 42220121057. The reversal of 42220121041 is 14012102224.

It is a de Polignac number, because none of the positive numbers 2^k-42220121041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42220121441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5278141 + ... + 5286133.

It is an arithmetic number, because the mean of its divisors is an integer number (3023458704).

Almost surely, 2^42220121041 is an apocalyptic number.

It is an amenable number.

42220121041 is a deficient number, since it is larger than the sum of its proper divisors (6155218223).

42220121041 is a wasteful number, since it uses less digits than its factorization.

42220121041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9840.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 42220121041 its reverse (14012102224), we get a palindrome (56232223265).

The spelling of 42220121041 in words is "forty-two billion, two hundred twenty million, one hundred twenty-one thousand, forty-one".