10218911 has 2 divisors, whose sum is σ = 10218912. Its totient is φ = 10218910.

The previous prime is 10218899. The next prime is 10218947. The reversal of 10218911 is 11981201.

It is a weak prime.

It is an emirp because it is prime and its reverse (11981201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10218911 - 2²² = 6024607 is a prime.

It is a super-2 number, since 2×10218911² = 208852284051842, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10218211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5109455 + 5109456.

It is an arithmetic number, because the mean of its divisors is an integer number (5109456).

Almost surely, 2^10218911 is an apocalyptic number.

10218911 is a deficient number, since it is larger than the sum of its proper divisors (1).

10218911 is an equidigital number, since it uses as much as digits as its factorization.

10218911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 10218911 is about 3196.7031454297. The cubic root of 10218911 is about 217.0042330363.

The spelling of 10218911 in words is "ten million, two hundred eighteen thousand, nine hundred eleven".