2111140321 has 2 divisors, whose sum is σ = 2111140322. Its totient is φ = 2111140320.

The previous prime is 2111140309. The next prime is 2111140327. The reversal of 2111140321 is 1230411112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1058851600 + 1052288721 = 32540^2 + 32439^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111140321 - 2⁷ = 2111140193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111140295 and 2111140304.

It is not a weakly prime, because it can be changed into another prime (2111140327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055570160 + 1055570161.

It is an arithmetic number, because the mean of its divisors is an integer number (1055570161).

Almost surely, 2^2111140321 is an apocalyptic number.

It is an amenable number.

2111140321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111140321 is an equidigital number, since it uses as much as digits as its factorization.

2111140321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 2111140321 is about 45947.1470387444. The cubic root of 2111140321 is about 1282.8396269399.

Adding to 2111140321 its reverse (1230411112), we get a palindrome (3341551433).

The spelling of 2111140321 in words is "two billion, one hundred eleven million, one hundred forty thousand, three hundred twenty-one".