11102204689 has 3 divisors (see below), whose sum is σ = 11102310057. Its totient is φ = 11102099322.

The previous prime is 11102204681. The next prime is 11102204731. The reversal of 11102204689 is 98640220111.

It is a happy number.

The square root of 11102204689 is 105367.

It is a perfect power (a square), and thus also a powerful number.

11102204689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98640220111 = 28619 ⋅3446669.

It is not a de Polignac number, because 11102204689 - 2³ = 11102204681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11102204681) 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 in 2 ways as a sum of consecutive naturals, for example, 52684 + ... + 158050.

It is an arithmetic number, because the mean of its divisors is an integer number (3700770019).

Almost surely, 2^11102204689 is an apocalyptic number.

11102204689 is the 105367-th square number.

11102204689 is the 52684-th centered octagonal number.

It is an amenable number.

11102204689 is a deficient number, since it is larger than the sum of its proper divisors (105368).

11102204689 is an frugal number, since it uses more digits than its factorization.

11102204689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210734 (or 105367 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 11102204689 in words is "eleven billion, one hundred two million, two hundred four thousand, six hundred eighty-nine".