2421000203103 has 8 divisors (see below), whose sum is σ = 3586666967600. Its totient is φ = 1614000135384.

The previous prime is 2421000203057. The next prime is 2421000203107. The reversal of 2421000203103 is 3013020001242.

It is a de Polignac number, because none of the positive numbers 2^k-2421000203103 is a prime.

It is a super-2 number, since 2×2421000203103² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421000203107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44833337068 + ... + 44833337121.

It is an arithmetic number, because the mean of its divisors is an integer number (448333370950).

Almost surely, 2^{2421000203103} is an apocalyptic number.

2421000203103 is a deficient number, since it is larger than the sum of its proper divisors (1165666764497).

2421000203103 is an equidigital number, since it uses as much as digits as its factorization.

2421000203103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89666674198 (or 89666674192 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2421000203103 its reverse (3013020001242), we get a palindrome (5434020204345).

The spelling of 2421000203103 in words is "two trillion, four hundred twenty-one billion, two hundred three thousand, one hundred three".