2421113203 has 4 divisors (see below), whose sum is σ = 2462149080. Its totient is φ = 2380077328.

The previous prime is 2421113179. The next prime is 2421113231. The reversal of 2421113203 is 3023111242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2421113203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421113243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20517850 + ... + 20517967.

It is an arithmetic number, because the mean of its divisors is an integer number (615537270).

Almost surely, 2^2421113203 is an apocalyptic number.

2421113203 is a deficient number, since it is larger than the sum of its proper divisors (41035877).

2421113203 is an equidigital number, since it uses as much as digits as its factorization.

2421113203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41035876.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2421113203 is about 49204.8087385776. The cubic root of 2421113203 is about 1342.7805193669.

Adding to 2421113203 its reverse (3023111242), we get a palindrome (5444224445).

The spelling of 2421113203 in words is "two billion, four hundred twenty-one million, one hundred thirteen thousand, two hundred three".