121010310330103 has 2 divisors, whose sum is σ = 121010310330104. Its totient is φ = 121010310330102.

The previous prime is 121010310330071. The next prime is 121010310330197. The reversal of 121010310330103 is 301033013010121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121010310330103 - 2⁵ = 121010310330071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121010310330703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505155165051 + 60505155165052.

It is an arithmetic number, because the mean of its divisors is an integer number (60505155165052).

Almost surely, 2^{121010310330103} is an apocalyptic number.

121010310330103 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010310330103 is an equidigital number, since it uses as much as digits as its factorization.

121010310330103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 121010310330103 its reverse (301033013010121), we get a palindrome (422043323340224).

The spelling of 121010310330103 in words is "one hundred twenty-one trillion, ten billion, three hundred ten million, three hundred thirty thousand, one hundred three".