11102218 has 4 divisors (see below), whose sum is σ = 16653330. Its totient is φ = 5551108.

The previous prime is 11102197. The next prime is 11102219. The reversal of 11102218 is 81220111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81220111 = 7 ⋅11602873.

It can be written as a sum of positive squares in only one way, i.e., 10067929 + 1034289 = 3173^2 + 1017^2 .

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (11102219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775553 + ... + 2775556.

Almost surely, 2^11102218 is an apocalyptic number.

11102218 is a deficient number, since it is larger than the sum of its proper divisors (5551112).

11102218 is an equidigital number, since it uses as much as digits as its factorization.

11102218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551111.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 11102218 is about 3331.9990996397. Note that the first 3 decimals coincide. The cubic root of 11102218 is about 223.0847673878.

Adding to 11102218 its reverse (81220111), we get a palindrome (92322329).

The spelling of 11102218 in words is "eleven million, one hundred two thousand, two hundred eighteen".