11020103 has 4 divisors (see below), whose sum is σ = 11288928. Its totient is φ = 10751280.

The previous prime is 11020091. The next prime is 11020109. The reversal of 11020103 is 30102011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30102011 = 1721 ⋅17491.

It is a cyclic number.

It is not a de Polignac number, because 11020103 - 2⁶ = 11020039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134351 + ... + 134432.

It is an arithmetic number, because the mean of its divisors is an integer number (2822232).

Almost surely, 2^11020103 is an apocalyptic number.

11020103 is a deficient number, since it is larger than the sum of its proper divisors (268825).

11020103 is an equidigital number, since it uses as much as digits as its factorization.

11020103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268824.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 11020103 is about 3319.6540482406. The cubic root of 11020103 is about 222.5334074317.

Adding to 11020103 its reverse (30102011), we get a palindrome (41122114).

The spelling of 11020103 in words is "eleven million, twenty thousand, one hundred three".