1121220121159 has 2 divisors, whose sum is σ = 1121220121160. Its totient is φ = 1121220121158.

The previous prime is 1121220121117. The next prime is 1121220121163. The reversal of 1121220121159 is 9511210221211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121220121159 - 2²³ = 1121211732551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121220122159) 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, 560610060579 + 560610060580.

It is an arithmetic number, because the mean of its divisors is an integer number (560610060580).

Almost surely, 2^{1121220121159} is an apocalyptic number.

1121220121159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121220121159 is an equidigital number, since it uses as much as digits as its factorization.

1121220121159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 28.

The spelling of 1121220121159 in words is "one trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twenty-one thousand, one hundred fifty-nine".