1111132321 has 8 divisors (see below), whose sum is σ = 1213458624. Its totient is φ = 1011213840.

The previous prime is 1111132307. The next prime is 1111132339. The reversal of 1111132321 is 1232311111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1111132321 - 2⁷ = 1111132193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111132295 and 1111132304.

It is not an unprimeable number, because it can be changed into a prime (1111132391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600991 + ... + 602836.

It is an arithmetic number, because the mean of its divisors is an integer number (151682328).

Almost surely, 2^1111132321 is an apocalyptic number.

It is an amenable number.

1111132321 is a deficient number, since it is larger than the sum of its proper divisors (102326303).

1111132321 is a wasteful number, since it uses less digits than its factorization.

1111132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203911.

The product of its digits is 36, while the sum is 16.

The square root of 1111132321 is about 33333.6514801484. The cubic root of 1111132321 is about 1035.7507590150.

Adding to 1111132321 its reverse (1232311111), we get a palindrome (2343443432).

The spelling of 1111132321 in words is "one billion, one hundred eleven million, one hundred thirty-two thousand, three hundred twenty-one".