11003021103 has 16 divisors (see below), whose sum is σ = 14891237856. Its totient is φ = 7225814400.

The previous prime is 11003021101. The next prime is 11003021123. The reversal of 11003021103 is 30112030011.

It is not a de Polignac number, because 11003021103 - 2¹ = 11003021101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003021101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32476 + ... + 151857.

It is an arithmetic number, because the mean of its divisors is an integer number (930702366).

Almost surely, 2^11003021103 is an apocalyptic number.

11003021103 is a deficient number, since it is larger than the sum of its proper divisors (3888216753).

11003021103 is a wasteful number, since it uses less digits than its factorization.

11003021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184634.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11003021103 its reverse (30112030011), we get a palindrome (41115051114).

It can be divided in two parts, 1100 and 3021103, that added together give a palindrome (3022203).

The spelling of 11003021103 in words is "eleven billion, three million, twenty-one thousand, one hundred three".