101210227 has 2 divisors, whose sum is σ = 101210228. Its totient is φ = 101210226.

The previous prime is 101210191. The next prime is 101210269. The reversal of 101210227 is 722012101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101210227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101210227.

It is not a weakly prime, because it can be changed into another prime (101213227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605113 + 50605114.

It is an arithmetic number, because the mean of its divisors is an integer number (50605114).

Almost surely, 2^101210227 is an apocalyptic number.

101210227 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210227 is an equidigital number, since it uses as much as digits as its factorization.

101210227 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 101210227 is about 10060.3293683656. The cubic root of 101210227 is about 466.0238387849.

Adding to 101210227 its reverse (722012101), we get a palindrome (823222328).

The spelling of 101210227 in words is "one hundred one million, two hundred ten thousand, two hundred twenty-seven".