1111342321 has 4 divisors (see below), whose sum is σ = 1149664500. Its totient is φ = 1073020144.

The previous prime is 1111342301. The next prime is 1111342327. The reversal of 1111342321 is 1232431111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 367143921 + 744198400 = 19161^2 + 27280^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111342321 - 2¹⁵ = 1111309553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111342327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19161046 + ... + 19161103.

It is an arithmetic number, because the mean of its divisors is an integer number (287416125).

Almost surely, 2^1111342321 is an apocalyptic number.

It is an amenable number.

1111342321 is a deficient number, since it is larger than the sum of its proper divisors (38322179).

1111342321 is an equidigital number, since it uses as much as digits as its factorization.

1111342321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38322178.

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

The square root of 1111342321 is about 33336.8013012646. The cubic root of 1111342321 is about 1035.8160059569.

Adding to 1111342321 its reverse (1232431111), we get a palindrome (2343773432).

The spelling of 1111342321 in words is "one billion, one hundred eleven million, three hundred forty-two thousand, three hundred twenty-one".