10421042103 has 6 divisors (see below), whose sum is σ = 15052616384. Its totient is φ = 6947361396.

The previous prime is 10421042089. The next prime is 10421042123. The reversal of 10421042103 is 30124012401.

It is not a de Polignac number, because 10421042103 - 2⁶ = 10421042039 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 (10421042123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 578946775 + ... + 578946792.

Almost surely, 2^10421042103 is an apocalyptic number.

10421042103 is a deficient number, since it is larger than the sum of its proper divisors (4631574281).

10421042103 is a wasteful number, since it uses less digits than its factorization.

10421042103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157893573 (or 1157893570 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10421042103 its reverse (30124012401), we get a palindrome (40545054504).

The spelling of 10421042103 in words is "ten billion, four hundred twenty-one million, forty-two thousand, one hundred three".