11010020103 has 6 divisors (see below), whose sum is σ = 15903362384. Its totient is φ = 7340013396.

The previous prime is 11010020071. The next prime is 11010020111. The reversal of 11010020103 is 30102001011.

It is not a de Polignac number, because 11010020103 - 2⁵ = 11010020071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1223335567 = 11010020103 / (1 + 1 + 0 + 1 + 0 + 0 + 2 + 0 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010020123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611667775 + ... + 611667792.

Almost surely, 2^11010020103 is an apocalyptic number.

11010020103 is a deficient number, since it is larger than the sum of its proper divisors (4893342281).

11010020103 is a wasteful number, since it uses less digits than its factorization.

11010020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223335573 (or 1223335570 counting only the distinct ones).

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

Adding to 11010020103 its reverse (30102001011), we get a palindrome (41112021114).

The spelling of 11010020103 in words is "eleven billion, ten million, twenty thousand, one hundred three".