121113312119 has 2 divisors, whose sum is σ = 121113312120. Its totient is φ = 121113312118.

The previous prime is 121113312037. The next prime is 121113312121. The reversal of 121113312119 is 911213311121.

It is a strong prime.

It is an emirp because it is prime and its reverse (911213311121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121113312119 is a prime.

It is a super-2 number, since 2×121113312119² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 121113312121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121113312139) 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, 60556656059 + 60556656060.

It is an arithmetic number, because the mean of its divisors is an integer number (60556656060).

Almost surely, 2^121113312119 is an apocalyptic number.

121113312119 is a deficient number, since it is larger than the sum of its proper divisors (1).

121113312119 is an equidigital number, since it uses as much as digits as its factorization.

121113312119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 26.

The spelling of 121113312119 in words is "one hundred twenty-one billion, one hundred thirteen million, three hundred twelve thousand, one hundred nineteen".