42022444121 has 8 divisors (see below), whose sum is σ = 49323641280. Its totient is φ = 35045744688.

The previous prime is 42022444117. The next prime is 42022444129. The reversal of 42022444121 is 12144422024.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42022444121 - 2² = 42022444117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42022444129) 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 7 ways as a sum of consecutive naturals, for example, 81124151 + ... + 81124668.

It is an arithmetic number, because the mean of its divisors is an integer number (6165455160).

Almost surely, 2^42022444121 is an apocalyptic number.

It is an amenable number.

42022444121 is a deficient number, since it is larger than the sum of its proper divisors (7301197159).

42022444121 is a wasteful number, since it uses less digits than its factorization.

42022444121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162248863.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 42022444121 its reverse (12144422024), we get a palindrome (54166866145).

The spelling of 42022444121 in words is "forty-two billion, twenty-two million, four hundred forty-four thousand, one hundred twenty-one".