1111323321 has 14 divisors (see below), whose sum is σ = 1666223850. Its totient is φ = 740881728.

The previous prime is 1111323299. The next prime is 1111323329. The reversal of 1111323321 is 1233231111.

1111323321 is a `hidden beast` number, since 11 + 11 + 323 + 321 = 666.

1111323321 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1062042921 + 49280400 = 32589^2 + 7020^2 .

It is not a de Polignac number, because 1111323321 - 2⁵ = 1111323289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111323294 and 1111323303.

It is not an unprimeable number, because it can be changed into a prime (1111323329) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 761496 + ... + 762953.

Almost surely, 2^1111323321 is an apocalyptic number.

It is an amenable number.

1111323321 is a deficient number, since it is larger than the sum of its proper divisors (554900529).

1111323321 is an frugal number, since it uses more digits than its factorization.

1111323321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524467 (or 1524452 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1111323321 is about 33336.5163296947. The cubic root of 1111323321 is about 1035.8101030004.

Adding to 1111323321 its reverse (1233231111), we get a palindrome (2344554432).

The spelling of 1111323321 in words is "one billion, one hundred eleven million, three hundred twenty-three thousand, three hundred twenty-one".