101021227 has 2 divisors, whose sum is σ = 101021228. Its totient is φ = 101021226.

The previous prime is 101021177. The next prime is 101021251. The reversal of 101021227 is 722120101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101021227 - 2⁷ = 101021099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101021227.

It is not a weakly prime, because it can be changed into another prime (101021257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510613 + 50510614.

It is an arithmetic number, because the mean of its divisors is an integer number (50510614).

Almost surely, 2^101021227 is an apocalyptic number.

101021227 is a deficient number, since it is larger than the sum of its proper divisors (1).

101021227 is an equidigital number, since it uses as much as digits as its factorization.

101021227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 101021227 is about 10050.9316483598. The cubic root of 101021227 is about 465.7335736900.

Adding to 101021227 its reverse (722120101), we get a palindrome (823141328).

The spelling of 101021227 in words is "one hundred one million, twenty-one thousand, two hundred twenty-seven".