10103421321 has 12 divisors (see below), whose sum is σ = 16678663872. Its totient is φ = 5773383576.

The previous prime is 10103421319. The next prime is 10103421443. The reversal of 10103421321 is 12312430101.

10103421321 is a `hidden beast` number, since 1 + 0 + 1 + 0 + 342 + 1 + 321 = 666.

It is not a de Polignac number, because 10103421321 - 2¹ = 10103421319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10103421294 and 10103421303.

It is not an unprimeable number, because it can be changed into a prime (10103421121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80185821 + ... + 80185946.

It is an arithmetic number, because the mean of its divisors is an integer number (1389888656).

Almost surely, 2^10103421321 is an apocalyptic number.

It is an amenable number.

10103421321 is a deficient number, since it is larger than the sum of its proper divisors (6575242551).

10103421321 is a wasteful number, since it uses less digits than its factorization.

10103421321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160371780 (or 160371777 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10103421321 its reverse (12312430101), we get a palindrome (22415851422).

The spelling of 10103421321 in words is "ten billion, one hundred three million, four hundred twenty-one thousand, three hundred twenty-one".