1111000321 has 2 divisors, whose sum is σ = 1111000322. Its totient is φ = 1111000320.

The previous prime is 1111000283. The next prime is 1111000327. The reversal of 1111000321 is 1230001111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 730945296 + 380055025 = 27036^2 + 19495^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111000321 - 2⁹ = 1110999809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111000298 and 1111000307.

It is not a weakly prime, because it can be changed into another prime (1111000327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555500160 + 555500161.

It is an arithmetic number, because the mean of its divisors is an integer number (555500161).

Almost surely, 2^1111000321 is an apocalyptic number.

It is an amenable number.

1111000321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111000321 is an equidigital number, since it uses as much as digits as its factorization.

1111000321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1111000321 is about 33331.6714402383. The cubic root of 1111000321 is about 1035.7097424436.

Adding to 1111000321 its reverse (1230001111), we get a palindrome (2341001432).

The spelling of 1111000321 in words is "one billion, one hundred eleven million, three hundred twenty-one", and thus it is an aban number.