10001421303103 has 4 divisors (see below), whose sum is σ = 10001488464000. Its totient is φ = 10001354142208.

The previous prime is 10001421303089. The next prime is 10001421303149. The reversal of 10001421303103 is 30130312410001.

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

It is a cyclic number.

It is not a de Polignac number, because 10001421303103 - 2²¹ = 10001419205951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001421333103) 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, 33356575 + ... + 33655072.

It is an arithmetic number, because the mean of its divisors is an integer number (2500372116000).

Almost surely, 2^{10001421303103} is an apocalyptic number.

10001421303103 is a deficient number, since it is larger than the sum of its proper divisors (67160897).

10001421303103 is an equidigital number, since it uses as much as digits as its factorization.

10001421303103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67160896.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10001421303103 its reverse (30130312410001), we get a palindrome (40131733713104).

The spelling of 10001421303103 in words is "ten trillion, one billion, four hundred twenty-one million, three hundred three thousand, one hundred three".