121300311103 has 2 divisors, whose sum is σ = 121300311104. Its totient is φ = 121300311102.

The previous prime is 121300311061. The next prime is 121300311149. The reversal of 121300311103 is 301113003121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121300311103 - 2²⁹ = 120763440191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121300311163) 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, 60650155551 + 60650155552.

It is an arithmetic number, because the mean of its divisors is an integer number (60650155552).

Almost surely, 2^121300311103 is an apocalyptic number.

121300311103 is a deficient number, since it is larger than the sum of its proper divisors (1).

121300311103 is an equidigital number, since it uses as much as digits as its factorization.

121300311103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 121300311103 its reverse (301113003121), we get a palindrome (422413314224).

The spelling of 121300311103 in words is "one hundred twenty-one billion, three hundred million, three hundred eleven thousand, one hundred three".