121112022221959 has 2 divisors, whose sum is σ = 121112022221960. Its totient is φ = 121112022221958.

The previous prime is 121112022221933. The next prime is 121112022222001. The reversal of 121112022221959 is 959122220211121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121112022221959 - 2¹⁷ = 121112022090887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121112022221759) 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, 60556011110979 + 60556011110980.

It is an arithmetic number, because the mean of its divisors is an integer number (60556011110980).

Almost surely, 2^{121112022221959} is an apocalyptic number.

121112022221959 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112022221959 is an equidigital number, since it uses as much as digits as its factorization.

121112022221959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 40.

The spelling of 121112022221959 in words is "one hundred twenty-one trillion, one hundred twelve billion, twenty-two million, two hundred twenty-one thousand, nine hundred fifty-nine".