20111322112159 has 2 divisors, whose sum is σ = 20111322112160. Its totient is φ = 20111322112158.

The previous prime is 20111322112153. The next prime is 20111322112223. The reversal of 20111322112159 is 95121122311102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20111322112159 - 2³ = 20111322112151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20111322112159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20111322112151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055661056079 + 10055661056080.

It is an arithmetic number, because the mean of its divisors is an integer number (10055661056080).

Almost surely, 2^{20111322112159} is an apocalyptic number.

20111322112159 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111322112159 is an equidigital number, since it uses as much as digits as its factorization.

20111322112159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 31.

The spelling of 20111322112159 in words is "twenty trillion, one hundred eleven billion, three hundred twenty-two million, one hundred twelve thousand, one hundred fifty-nine".