2103123222321 has 32 divisors (see below), whose sum is σ = 3157958639616. Its totient is φ = 1233429120000.

The previous prime is 2103123222293. The next prime is 2103123222337. The reversal of 2103123222321 is 1232223213012.

It is not a de Polignac number, because 2103123222321 - 2¹⁸ = 2103122960177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2103123222291 and 2103123222300.

It is not an unprimeable number, because it can be changed into a prime (2103123220321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20179896 + ... + 20283846.

It is an arithmetic number, because the mean of its divisors is an integer number (98686207488).

Almost surely, 2^{2103123222321} is an apocalyptic number.

It is an amenable number.

2103123222321 is a deficient number, since it is larger than the sum of its proper divisors (1054835417295).

2103123222321 is a wasteful number, since it uses less digits than its factorization.

2103123222321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123773.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2103123222321 its reverse (1232223213012), we get a palindrome (3335346435333).

The spelling of 2103123222321 in words is "two trillion, one hundred three billion, one hundred twenty-three million, two hundred twenty-two thousand, three hundred twenty-one".