11051321 has 2 divisors, whose sum is σ = 11051322. Its totient is φ = 11051320.

The previous prime is 11051297. The next prime is 11051329. The reversal of 11051321 is 12315011.

11051321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8526400 + 2524921 = 2920^2 + 1589^2 .

It is a cyclic number.

It is not a de Polignac number, because 11051321 - 2¹⁰ = 11050297 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11051296 and 11051305.

It is not a weakly prime, because it can be changed into another prime (11051329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525660 + 5525661.

It is an arithmetic number, because the mean of its divisors is an integer number (5525661).

Almost surely, 2^11051321 is an apocalyptic number.

It is an amenable number.

11051321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11051321 is an equidigital number, since it uses as much as digits as its factorization.

11051321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 11051321 is about 3324.3527189515. The cubic root of 11051321 is about 222.7433418972.

Adding to 11051321 its reverse (12315011), we get a palindrome (23366332).

The spelling of 11051321 in words is "eleven million, fifty-one thousand, three hundred twenty-one".