2421103320042 has 64 divisors (see below), whose sum is σ = 5426262835200. Its totient is φ = 713695682880.

The previous prime is 2421103320037. The next prime is 2421103320091. The reversal of 2421103320042 is 2400233011242.

It is a happy number.

2421103320042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2421103319994 and 2421103320021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12403759 + ... + 12597437.

It is an arithmetic number, because the mean of its divisors is an integer number (84785356800).

Almost surely, 2^{2421103320042} is an apocalyptic number.

2421103320042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421103320042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2713131417600).

2421103320042 is an abundant number, since it is smaller than the sum of its proper divisors (3005159515158).

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

2421103320042 is a wasteful number, since it uses less digits than its factorization.

2421103320042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198851.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2421103320042 its reverse (2400233011242), we get a palindrome (4821336331284).

The spelling of 2421103320042 in words is "two trillion, four hundred twenty-one billion, one hundred three million, three hundred twenty thousand, forty-two".