2421002104243 has 16 divisors (see below), whose sum is σ = 2490630045696. Its totient is φ = 2352190547520.

The previous prime is 2421002104207. The next prime is 2421002104253. The reversal of 2421002104243 is 3424012001242.

It is a cyclic number.

It is not a de Polignac number, because 2421002104243 - 2⁹ = 2421002103731 is a prime.

It is a super-2 number, since 2×2421002104243² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421002104253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3290830 + ... + 3958732.

It is an arithmetic number, because the mean of its divisors is an integer number (155664377856).

Almost surely, 2^{2421002104243} is an apocalyptic number.

2421002104243 is a deficient number, since it is larger than the sum of its proper divisors (69627941453).

2421002104243 is a wasteful number, since it uses less digits than its factorization.

2421002104243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668514.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2421002104243 its reverse (3424012001242), we get a palindrome (5845014105485).

The spelling of 2421002104243 in words is "two trillion, four hundred twenty-one billion, two million, one hundred four thousand, two hundred forty-three".