10420321103 has 8 divisors (see below), whose sum is σ = 10515572496. Its totient is φ = 10325123200.

The previous prime is 10420321091. The next prime is 10420321169. The reversal of 10420321103 is 30112302401.

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 10420321103 - 2¹² = 10420317007 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 (10420329103) 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, 451013 + ... + 473553.

It is an arithmetic number, because the mean of its divisors is an integer number (1314446562).

Almost surely, 2^10420321103 is an apocalyptic number.

10420321103 is a deficient number, since it is larger than the sum of its proper divisors (95251393).

10420321103 is a wasteful number, since it uses less digits than its factorization.

10420321103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26745.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10420321103 its reverse (30112302401), we get a palindrome (40532623504).

The spelling of 10420321103 in words is "ten billion, four hundred twenty million, three hundred twenty-one thousand, one hundred three".