103512421003 has 8 divisors (see below), whose sum is σ = 103614101856. Its totient is φ = 103410792000.

The previous prime is 103512420941. The next prime is 103512421073. The reversal of 103512421003 is 300124215301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103512421003 - 2⁹ = 103512420491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103512421073) 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, 4826103 + ... + 4847503.

It is an arithmetic number, because the mean of its divisors is an integer number (12951762732).

Almost surely, 2^103512421003 is an apocalyptic number.

103512421003 is a deficient number, since it is larger than the sum of its proper divisors (101680853).

103512421003 is a wasteful number, since it uses less digits than its factorization.

103512421003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25925.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 103512421003 its reverse (300124215301), we get a palindrome (403636636304).

The spelling of 103512421003 in words is "one hundred three billion, five hundred twelve million, four hundred twenty-one thousand, three".