20101202227 has 2 divisors, whose sum is σ = 20101202228. Its totient is φ = 20101202226.

The previous prime is 20101202207. The next prime is 20101202279. The reversal of 20101202227 is 72220210102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20101202227 - 2¹¹ = 20101200179 is a prime.

It is not a weakly prime, because it can be changed into another prime (20101202207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050601113 + 10050601114.

It is an arithmetic number, because the mean of its divisors is an integer number (10050601114).

Almost surely, 2^20101202227 is an apocalyptic number.

20101202227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20101202227 is an equidigital number, since it uses as much as digits as its factorization.

20101202227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 20101202227 its reverse (72220210102), we get a palindrome (92321412329).

The spelling of 20101202227 in words is "twenty billion, one hundred one million, two hundred two thousand, two hundred twenty-seven".