11034321103 has 16 divisors (see below), whose sum is σ = 12188153376. Its totient is φ = 9924687360.

The previous prime is 11034321097. The next prime is 11034321127. The reversal of 11034321103 is 30112343011.

It is a cyclic number.

It is not a de Polignac number, because 11034321103 - 2²⁹ = 10497450191 is a prime.

It is a super-2 number, since 2×11034321103² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11034321143) 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, 428275 + ... + 453307.

It is an arithmetic number, because the mean of its divisors is an integer number (761759586).

Almost surely, 2^11034321103 is an apocalyptic number.

11034321103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11034321103 is a deficient number, since it is larger than the sum of its proper divisors (1153832273).

11034321103 is a wasteful number, since it uses less digits than its factorization.

11034321103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25914.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11034321103 its reverse (30112343011), we get a palindrome (41146664114).

The spelling of 11034321103 in words is "eleven billion, thirty-four million, three hundred twenty-one thousand, one hundred three".