11020030103 has 4 divisors (see below), whose sum is σ = 11039129520. Its totient is φ = 11000930688.

The previous prime is 11020030097. The next prime is 11020030121. The reversal of 11020030103 is 30103002011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30103002011 = 31 ⋅971064581.

It is a cyclic number.

It is not a de Polignac number, because 11020030103 - 2²² = 11015835799 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 (11020030193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9548843 + ... + 9549996.

It is an arithmetic number, because the mean of its divisors is an integer number (2759782380).

Almost surely, 2^11020030103 is an apocalyptic number.

11020030103 is a deficient number, since it is larger than the sum of its proper divisors (19099417).

11020030103 is an equidigital number, since it uses as much as digits as its factorization.

11020030103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19099416.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 11020030103 its reverse (30103002011), we get a palindrome (41123032114).

The spelling of 11020030103 in words is "eleven billion, twenty million, thirty thousand, one hundred three".