121113201959 has 2 divisors, whose sum is σ = 121113201960. Its totient is φ = 121113201958.

The previous prime is 121113201941. The next prime is 121113202009. The reversal of 121113201959 is 959102311121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121113201959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121113201059) 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, 60556600979 + 60556600980.

It is an arithmetic number, because the mean of its divisors is an integer number (60556600980).

Almost surely, 2^121113201959 is an apocalyptic number.

121113201959 is a deficient number, since it is larger than the sum of its proper divisors (1).

121113201959 is an equidigital number, since it uses as much as digits as its factorization.

121113201959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 35.

The spelling of 121113201959 in words is "one hundred twenty-one billion, one hundred thirteen million, two hundred one thousand, nine hundred fifty-nine".