11021103 has 20 divisors (see below), whose sum is σ = 16636048. Its totient is φ = 7270560.

The previous prime is 11021081. The next prime is 11021113. The reversal of 11021103 is 30112011.

11021103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11021103 - 2⁶ = 11021039 is a prime.

It is a super-2 number, since 2×11021103² = 242929422673218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021113) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7683 + ... + 9003.

Almost surely, 2^11021103 is an apocalyptic number.

11021103 is a deficient number, since it is larger than the sum of its proper divisors (5614945).

11021103 is a wasteful number, since it uses less digits than its factorization.

11021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 11021103 is about 3319.8046629282. The cubic root of 11021103 is about 222.5401383632.

Adding to 11021103 its reverse (30112011), we get a palindrome (41133114).

The spelling of 11021103 in words is "eleven million, twenty-one thousand, one hundred three".