1121212012159 has 2 divisors, whose sum is σ = 1121212012160. Its totient is φ = 1121212012158.

The previous prime is 1121212012091. The next prime is 1121212012171. The reversal of 1121212012159 is 9512102121211.

It is a strong prime.

It is an emirp because it is prime and its reverse (9512102121211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121212012159 - 2²⁵ = 1121178457727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121212010159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560606006079 + 560606006080.

It is an arithmetic number, because the mean of its divisors is an integer number (560606006080).

Almost surely, 2^{1121212012159} is an apocalyptic number.

1121212012159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121212012159 is an equidigital number, since it uses as much as digits as its factorization.

1121212012159 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 1121212012159 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, twelve thousand, one hundred fifty-nine".