100216271 has 2 divisors, whose sum is σ = 100216272. Its totient is φ = 100216270.

The previous prime is 100216253. The next prime is 100216283. The reversal of 100216271 is 172612001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100216271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100216231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50108135 + 50108136.

It is an arithmetic number, because the mean of its divisors is an integer number (50108136).

Almost surely, 2^100216271 is an apocalyptic number.

100216271 is a deficient number, since it is larger than the sum of its proper divisors (1).

100216271 is an equidigital number, since it uses as much as digits as its factorization.

100216271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 100216271 is about 10010.8077096706. The cubic root of 100216271 is about 464.4932561128.

Adding to 100216271 its reverse (172612001), we get a palindrome (272828272).

The spelling of 100216271 in words is "one hundred million, two hundred sixteen thousand, two hundred seventy-one".