10103321212103 has 16 divisors (see below), whose sum is σ = 11919738775296. Its totient is φ = 8383739656320.

The previous prime is 10103321212099. The next prime is 10103321212111. The reversal of 10103321212103 is 30121212330101.

It is a happy number.

It is not a de Polignac number, because 10103321212103 - 2² = 10103321212099 is a prime.

It is a super-2 number, since 2×10103321212103² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103321218103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148487453 + ... + 148555478.

It is an arithmetic number, because the mean of its divisors is an integer number (744983673456).

Almost surely, 2^{10103321212103} is an apocalyptic number.

10103321212103 is a deficient number, since it is larger than the sum of its proper divisors (1816417563193).

10103321212103 is a wasteful number, since it uses less digits than its factorization.

10103321212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297043094.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10103321212103 its reverse (30121212330101), we get a palindrome (40224533542204).

The spelling of 10103321212103 in words is "ten trillion, one hundred three billion, three hundred twenty-one million, two hundred twelve thousand, one hundred three".