2123210320103 has 2 divisors, whose sum is σ = 2123210320104. Its totient is φ = 2123210320102.

The previous prime is 2123210320031. The next prime is 2123210320123. The reversal of 2123210320103 is 3010230123212.

Together with previous prime (2123210320031) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (2123210320123) can be obtained adding 2123210320103 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2123210320103 - 2²⁶ = 2123143211239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123210320123) 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 as a sum of consecutive naturals, namely, 1061605160051 + 1061605160052.

It is an arithmetic number, because the mean of its divisors is an integer number (1061605160052).

Almost surely, 2^{2123210320103} is an apocalyptic number.

2123210320103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123210320103 is an equidigital number, since it uses as much as digits as its factorization.

2123210320103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2123210320103 its reverse (3010230123212), we get a palindrome (5133440443315).

The spelling of 2123210320103 in words is "two trillion, one hundred twenty-three billion, two hundred ten million, three hundred twenty thousand, one hundred three".