10421104403 has 2 divisors, whose sum is σ = 10421104404. Its totient is φ = 10421104402.

The previous prime is 10421104399. The next prime is 10421104409. The reversal of 10421104403 is 30440112401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10421104403 - 2² = 10421104399 is a prime.

It is not a weakly prime, because it can be changed into another prime (10421104409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210552201 + 5210552202.

It is an arithmetic number, because the mean of its divisors is an integer number (5210552202).

Almost surely, 2^10421104403 is an apocalyptic number.

10421104403 is a deficient number, since it is larger than the sum of its proper divisors (1).

10421104403 is an equidigital number, since it uses as much as digits as its factorization.

10421104403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10421104403 its reverse (30440112401), we get a palindrome (40861216804).

The spelling of 10421104403 in words is "ten billion, four hundred twenty-one million, one hundred four thousand, four hundred three".