10103122321 has 4 divisors (see below), whose sum is σ = 10697423652. Its totient is φ = 9508820992.

The previous prime is 10103122313. The next prime is 10103122349. The reversal of 10103122321 is 12322130101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12322130101 = 23 ⋅535744787.

It can be written as a sum of positive squares in 2 ways, for example, as 7125892225 + 2977230096 = 84415^2 + 54564^2 .

It is a cyclic number.

It is not a de Polignac number, because 10103122321 - 2³ = 10103122313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10103122295 and 10103122304.

It is not an unprimeable number, because it can be changed into a prime (10103122391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297150640 + ... + 297150673.

It is an arithmetic number, because the mean of its divisors is an integer number (2674355913).

Almost surely, 2^10103122321 is an apocalyptic number.

It is an amenable number.

10103122321 is a deficient number, since it is larger than the sum of its proper divisors (594301331).

10103122321 is an equidigital number, since it uses as much as digits as its factorization.

10103122321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594301330.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10103122321 its reverse (12322130101), we get a palindrome (22425252422).

The spelling of 10103122321 in words is "ten billion, one hundred three million, one hundred twenty-two thousand, three hundred twenty-one".