2021123344103 has 2 divisors, whose sum is σ = 2021123344104. Its totient is φ = 2021123344102.

The previous prime is 2021123344049. The next prime is 2021123344129. The reversal of 2021123344103 is 3014433211202.

It is an a-pointer prime, because the next prime (2021123344129) can be obtained adding 2021123344103 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021123344103 - 2⁸ = 2021123343847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021123344003) 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, 1010561672051 + 1010561672052.

It is an arithmetic number, because the mean of its divisors is an integer number (1010561672052).

Almost surely, 2^{2021123344103} is an apocalyptic number.

2021123344103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021123344103 is an equidigital number, since it uses as much as digits as its factorization.

2021123344103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2021123344103 its reverse (3014433211202), we get a palindrome (5035556555305).

The spelling of 2021123344103 in words is "two trillion, twenty-one billion, one hundred twenty-three million, three hundred forty-four thousand, one hundred three".