11102028 has 72 divisors (see below), whose sum is σ = 30643200. Its totient is φ = 3118752.

The previous prime is 11102009. The next prime is 11102051. The reversal of 11102028 is 82020111.

11102028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11101998 and 11102016.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46333 + ... + 46571.

It is an arithmetic number, because the mean of its divisors is an integer number (425600).

Almost surely, 2^11102028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11102028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15321600).

11102028 is an abundant number, since it is smaller than the sum of its proper divisors (19541172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11102028 is a wasteful number, since it uses less digits than its factorization.

11102028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 11102028 is about 3331.9705881055. The cubic root of 11102028 is about 223.0834947788.

Adding to 11102028 its reverse (82020111), we get a palindrome (93122139).

The spelling of 11102028 in words is "eleven million, one hundred two thousand, twenty-eight".