1111103321 has 16 divisors (see below), whose sum is σ = 1166780160. Its totient is φ = 1057130880.

The previous prime is 1111103317. The next prime is 1111103339. The reversal of 1111103321 is 1233011111.

It is a happy number.

It is not a de Polignac number, because 1111103321 - 2² = 1111103317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111103296 and 1111103305.

It is not an unprimeable number, because it can be changed into a prime (1111103351) 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, 266771 + ... + 270903.

It is an arithmetic number, because the mean of its divisors is an integer number (72923760).

Almost surely, 2^1111103321 is an apocalyptic number.

It is an amenable number.

1111103321 is a deficient number, since it is larger than the sum of its proper divisors (55676839).

1111103321 is an equidigital number, since it uses as much as digits as its factorization.

1111103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1111103321 is about 33333.2164814619. The cubic root of 1111103321 is about 1035.7417480770.

Adding to 1111103321 its reverse (1233011111), we get a palindrome (2344114432).

The spelling of 1111103321 in words is "one billion, one hundred eleven million, one hundred three thousand, three hundred twenty-one".