121103030311 has 2 divisors, whose sum is σ = 121103030312. Its totient is φ = 121103030310.

The previous prime is 121103030249. The next prime is 121103030341. The reversal of 121103030311 is 113030301121.

It is a strong prime.

It is an emirp because it is prime and its reverse (113030301121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121103030311 - 2⁷ = 121103030183 is a prime.

It is a super-3 number, since 3×121103030311³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121103030341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551515155 + 60551515156.

It is an arithmetic number, because the mean of its divisors is an integer number (60551515156).

Almost surely, 2^121103030311 is an apocalyptic number.

121103030311 is a deficient number, since it is larger than the sum of its proper divisors (1).

121103030311 is an equidigital number, since it uses as much as digits as its factorization.

121103030311 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 121103030311 its reverse (113030301121), we get a palindrome (234133331432).

The spelling of 121103030311 in words is "one hundred twenty-one billion, one hundred three million, thirty thousand, three hundred eleven".