80218211 has 2 divisors, whose sum is σ = 80218212. Its totient is φ = 80218210.

The previous prime is 80218207. The next prime is 80218231. The reversal of 80218211 is 11281208.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80218211 - 2² = 80218207 is a prime.

It is a super-2 number, since 2×80218211² = 12869922752081042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80218231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40109105 + 40109106.

It is an arithmetic number, because the mean of its divisors is an integer number (40109106).

Almost surely, 2^80218211 is an apocalyptic number.

80218211 is a deficient number, since it is larger than the sum of its proper divisors (1).

80218211 is an equidigital number, since it uses as much as digits as its factorization.

80218211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 80218211 is about 8956.4619688803. The cubic root of 80218211 is about 431.2783501351.

Adding to 80218211 its reverse (11281208), we get a palindrome (91499419).

The spelling of 80218211 in words is "eighty million, two hundred eighteen thousand, two hundred eleven".