2011312001227 has 2 divisors, whose sum is σ = 2011312001228. Its totient is φ = 2011312001226.

The previous prime is 2011312001123. The next prime is 2011312001233. The reversal of 2011312001227 is 7221002131102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011312001227 - 2⁷ = 2011312001099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011312001198 and 2011312001207.

It is not a weakly prime, because it can be changed into another prime (2011312001927) 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, 1005656000613 + 1005656000614.

It is an arithmetic number, because the mean of its divisors is an integer number (1005656000614).

Almost surely, 2^{2011312001227} is an apocalyptic number.

2011312001227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011312001227 is an equidigital number, since it uses as much as digits as its factorization.

2011312001227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 2011312001227 its reverse (7221002131102), we get a palindrome (9232314132329).

The spelling of 2011312001227 in words is "two trillion, eleven billion, three hundred twelve million, one thousand, two hundred twenty-seven".