201220101011227 has 2 divisors, whose sum is σ = 201220101011228. Its totient is φ = 201220101011226.

The previous prime is 201220101011213. The next prime is 201220101011351. The reversal of 201220101011227 is 722110101022102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201220101011227 - 2³¹ = 201217953527579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201220101011198 and 201220101011207.

It is not a weakly prime, because it can be changed into another prime (201220101011827) 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, 100610050505613 + 100610050505614.

It is an arithmetic number, because the mean of its divisors is an integer number (100610050505614).

Almost surely, 2^{201220101011227} is an apocalyptic number.

201220101011227 is a deficient number, since it is larger than the sum of its proper divisors (1).

201220101011227 is an equidigital number, since it uses as much as digits as its factorization.

201220101011227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 201220101011227 its reverse (722110101022102), we get a palindrome (923330202033329).

The spelling of 201220101011227 in words is "two hundred one trillion, two hundred twenty billion, one hundred one million, eleven thousand, two hundred twenty-seven".