2421216105 has 32 divisors (see below), whose sum is σ = 4829856768. Its totient is φ = 1006219200.

The previous prime is 2421216097. The next prime is 2421216121. The reversal of 2421216105 is 5016121242.

It is not a de Polignac number, because 2421216105 - 2³ = 2421216097 is a prime.

It is a super-2 number, since 2×2421216105² = 11724574854222742050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1046991 + ... + 1049300.

It is an arithmetic number, because the mean of its divisors is an integer number (150933024).

Almost surely, 2^2421216105 is an apocalyptic number.

It is an amenable number.

2421216105 is a deficient number, since it is larger than the sum of its proper divisors (2408640663).

2421216105 is a wasteful number, since it uses less digits than its factorization.

2421216105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096317.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2421216105 is about 49205.8543772995. The cubic root of 2421216105 is about 1342.7995426882.

Adding to 2421216105 its reverse (5016121242), we get a palindrome (7437337347).

The spelling of 2421216105 in words is "two billion, four hundred twenty-one million, two hundred sixteen thousand, one hundred five".