11122431103 has 16 divisors (see below), whose sum is σ = 13721402880. Its totient is φ = 8804559456.

The previous prime is 11122431091. The next prime is 11122431107. The reversal of 11122431103 is 30113422111.

It is not a de Polignac number, because 11122431103 - 2¹³ = 11122422911 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 (11122431107) 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, 1186425 + ... + 1195762.

It is an arithmetic number, because the mean of its divisors is an integer number (857587680).

Almost surely, 2^11122431103 is an apocalyptic number.

11122431103 is a deficient number, since it is larger than the sum of its proper divisors (2598971777).

11122431103 is a wasteful number, since it uses less digits than its factorization.

11122431103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382246.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11122431103 its reverse (30113422111), we get a palindrome (41235853214).

It can be divided in two parts, 11122 and 431103, that added together give a square (442225 = 665²).

The spelling of 11122431103 in words is "eleven billion, one hundred twenty-two million, four hundred thirty-one thousand, one hundred three".