10103211122321 has 4 divisors (see below), whose sum is σ = 10105679538612. Its totient is φ = 10100742706032.

The previous prime is 10103211122203. The next prime is 10103211122363. The reversal of 10103211122321 is 12322111230101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4846760759296 + 5256450363025 = 2201536^2 + 2292695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10103211122321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10103211122293 and 10103211122302.

It is not an unprimeable number, because it can be changed into a prime (10103211121321) 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, 1234202006 + ... + 1234210191.

It is an arithmetic number, because the mean of its divisors is an integer number (2526419884653).

Almost surely, 2^{10103211122321} is an apocalyptic number.

It is an amenable number.

10103211122321 is a deficient number, since it is larger than the sum of its proper divisors (2468416291).

10103211122321 is an equidigital number, since it uses as much as digits as its factorization.

10103211122321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468416290.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 10103211122321 its reverse (12322111230101), we get a palindrome (22425322352422).

The spelling of 10103211122321 in words is "ten trillion, one hundred three billion, two hundred eleven million, one hundred twenty-two thousand, three hundred twenty-one".