1201123330103 has 2 divisors, whose sum is σ = 1201123330104. Its totient is φ = 1201123330102.

The previous prime is 1201123330013. The next prime is 1201123330133. The reversal of 1201123330103 is 3010333211021.

Together with previous prime (1201123330013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201123330103 - 2¹⁶ = 1201123264567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201123330133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600561665051 + 600561665052.

It is an arithmetic number, because the mean of its divisors is an integer number (600561665052).

Almost surely, 2^{1201123330103} is an apocalyptic number.

1201123330103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201123330103 is an equidigital number, since it uses as much as digits as its factorization.

1201123330103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1201123330103 its reverse (3010333211021), we get a palindrome (4211456541124).

The spelling of 1201123330103 in words is "one trillion, two hundred one billion, one hundred twenty-three million, three hundred thirty thousand, one hundred three".