2128018727227 has 2 divisors, whose sum is σ = 2128018727228. Its totient is φ = 2128018727226.

The previous prime is 2128018727221. The next prime is 2128018727231. The reversal of 2128018727227 is 7227278108212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2128018727227 - 2¹⁹ = 2128018202939 is a prime.

It is a super-2 number, since 2×2128018727227² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2128018727221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064009363613 + 1064009363614.

It is an arithmetic number, because the mean of its divisors is an integer number (1064009363614).

Almost surely, 2^{2128018727227} is an apocalyptic number.

2128018727227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2128018727227 is an equidigital number, since it uses as much as digits as its factorization.

2128018727227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 702464, while the sum is 49.

The spelling of 2128018727227 in words is "two trillion, one hundred twenty-eight billion, eighteen million, seven hundred twenty-seven thousand, two hundred twenty-seven".