10421042105 has 8 divisors (see below), whose sum is σ = 12506400000. Its totient is φ = 8336067376.

The previous prime is 10421042089. The next prime is 10421042123. The reversal of 10421042105 is 50124012401.

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 10421042105 - 2⁴ = 10421042089 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32105 + ... + 147894.

It is an arithmetic number, because the mean of its divisors is an integer number (1563300000).

Almost surely, 2^10421042105 is an apocalyptic number.

It is an amenable number.

10421042105 is a deficient number, since it is larger than the sum of its proper divisors (2085357895).

10421042105 is a wasteful number, since it uses less digits than its factorization.

10421042105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191583.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 10421042105 its reverse (50124012401), we get a palindrome (60545054506).

The spelling of 10421042105 in words is "ten billion, four hundred twenty-one million, forty-two thousand, one hundred five".