11212121000159 has 2 divisors, whose sum is σ = 11212121000160. Its totient is φ = 11212121000158.

The previous prime is 11212121000141. The next prime is 11212121000161. The reversal of 11212121000159 is 95100012121211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11212121000159 - 2²⁰ = 11212119951583 is a prime.

Together with 11212121000161, 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 (11212121020159) 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, 5606060500079 + 5606060500080.

It is an arithmetic number, because the mean of its divisors is an integer number (5606060500080).

Almost surely, 2^{11212121000159} is an apocalyptic number.

11212121000159 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212121000159 is an equidigital number, since it uses as much as digits as its factorization.

11212121000159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 26.

The spelling of 11212121000159 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-one million, one hundred fifty-nine", and thus it is an aban number.