11021430011321 has 2 divisors, whose sum is σ = 11021430011322. Its totient is φ = 11021430011320.

The previous prime is 11021430011227. The next prime is 11021430011387. The reversal of 11021430011321 is 12311003412011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8816386177600 + 2205043833721 = 2969240^2 + 1484939^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021430011321 - 2¹⁴ = 11021429994937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11021430011293 and 11021430011302.

It is not a weakly prime, because it can be changed into another prime (11021430019321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510715005660 + 5510715005661.

It is an arithmetic number, because the mean of its divisors is an integer number (5510715005661).

Almost surely, 2^{11021430011321} is an apocalyptic number.

It is an amenable number.

11021430011321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021430011321 is an equidigital number, since it uses as much as digits as its factorization.

11021430011321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11021430011321 its reverse (12311003412011), we get a palindrome (23332433423332).

The spelling of 11021430011321 in words is "eleven trillion, twenty-one billion, four hundred thirty million, eleven thousand, three hundred twenty-one".