1122111103 has 4 divisors (see below), whose sum is σ = 1129642200. Its totient is φ = 1114580008.

The previous prime is 1122111079. The next prime is 1122111119. The reversal of 1122111103 is 3011112211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1122111103 - 2²⁵ = 1088556671 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 (1122111203) 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, 3765325 + ... + 3765622.

It is an arithmetic number, because the mean of its divisors is an integer number (282410550).

Almost surely, 2^1122111103 is an apocalyptic number.

1122111103 is a deficient number, since it is larger than the sum of its proper divisors (7531097).

1122111103 is an equidigital number, since it uses as much as digits as its factorization.

1122111103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7531096.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1122111103 is about 33497.9268462990. The cubic root of 1122111103 is about 1039.1509042794.

Adding to 1122111103 its reverse (3011112211), we get a palindrome (4133223314).

It can be divided in two parts, 1122 and 111103, that added together give a square (112225 = 335²).

The spelling of 1122111103 in words is "one billion, one hundred twenty-two million, one hundred eleven thousand, one hundred three".