42421103340122 has 8 divisors (see below), whose sum is σ = 68526397703316. Its totient is φ = 19578970772352.

The previous prime is 42421103340103. The next prime is 42421103340151. The reversal of 42421103340122 is 22104330112424.

It can be written as a sum of positive squares in 2 ways, for example, as 35601019622281 + 6820083717841 = 5966659^2 + 2611529^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815790448823 + ... + 815790448874.

Almost surely, 2^{42421103340122} is an apocalyptic number.

42421103340122 is a deficient number, since it is larger than the sum of its proper divisors (26105294363194).

42421103340122 is a wasteful number, since it uses less digits than its factorization.

42421103340122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631580897712.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 42421103340122 its reverse (22104330112424), we get a palindrome (64525433452546).

The spelling of 42421103340122 in words is "forty-two trillion, four hundred twenty-one billion, one hundred three million, three hundred forty thousand, one hundred twenty-two".