80227105106221 has 2 divisors, whose sum is σ = 80227105106222. Its totient is φ = 80227105106220.

The previous prime is 80227105106209. The next prime is 80227105106227. The reversal of 80227105106221 is 12260150172208.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45797553877321 + 34429551228900 = 6767389^2 + 5867670^2 .

It is a cyclic number.

It is not a de Polignac number, because 80227105106221 - 2⁵ = 80227105106189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80227105106227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40113552553110 + 40113552553111.

It is an arithmetic number, because the mean of its divisors is an integer number (40113552553111).

Almost surely, 2^{80227105106221} is an apocalyptic number.

It is an amenable number.

80227105106221 is a deficient number, since it is larger than the sum of its proper divisors (1).

80227105106221 is an equidigital number, since it uses as much as digits as its factorization.

80227105106221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 37.

Adding to 80227105106221 its reverse (12260150172208), we get a palindrome (92487255278429).

The spelling of 80227105106221 in words is "eighty trillion, two hundred twenty-seven billion, one hundred five million, one hundred six thousand, two hundred twenty-one".