42421105122 has 16 divisors (see below), whose sum is σ = 92555138592. Its totient is φ = 12854880320.

The previous prime is 42421105087. The next prime is 42421105213. The reversal of 42421105122 is 22150112424.

It is a junction number, because it is equal to n+sod(n) for n = 42421105092 and 42421105101.

It is an unprimeable number.

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, 321371943 + ... + 321372074.

It is an arithmetic number, because the mean of its divisors is an integer number (5784696162).

Almost surely, 2^42421105122 is an apocalyptic number.

42421105122 is an abundant number, since it is smaller than the sum of its proper divisors (50134033470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42421105122 is a wasteful number, since it uses less digits than its factorization.

42421105122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642744033.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 42421105122 its reverse (22150112424), we get a palindrome (64571217546).

The spelling of 42421105122 in words is "forty-two billion, four hundred twenty-one million, one hundred five thousand, one hundred twenty-two".