1111324421 has 12 divisors (see below), whose sum is σ = 1174345632. Its totient is φ = 1051530984.

The previous prime is 1111324381. The next prime is 1111324429. The reversal of 1111324421 is 1244231111.

It is not a de Polignac number, because 1111324421 - 2¹⁰ = 1111323397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111324393 and 1111324402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111324429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 418520 + ... + 421166.

It is an arithmetic number, because the mean of its divisors is an integer number (97862136).

Almost surely, 2^1111324421 is an apocalyptic number.

It is an amenable number.

1111324421 is a deficient number, since it is larger than the sum of its proper divisors (63021211).

1111324421 is a wasteful number, since it uses less digits than its factorization.

1111324421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848 (or 3829 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 1111324421 is about 33336.5328281152. The cubic root of 1111324421 is about 1035.8104447523.

Adding to 1111324421 its reverse (1244231111), we get a palindrome (2355555532).

The spelling of 1111324421 in words is "one billion, one hundred eleven million, three hundred twenty-four thousand, four hundred twenty-one".