11002421321 has 2 divisors, whose sum is σ = 11002421322. Its totient is φ = 11002421320.

The previous prime is 11002421293. The next prime is 11002421329. The reversal of 11002421321 is 12312420011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6177174025 + 4825247296 = 78595^2 + 69464^2 .

It is a cyclic number.

It is not a de Polignac number, because 11002421321 - 2²² = 10998227017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11002421321.

It is not a weakly prime, because it can be changed into another prime (11002421329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501210660 + 5501210661.

It is an arithmetic number, because the mean of its divisors is an integer number (5501210661).

Almost surely, 2^11002421321 is an apocalyptic number.

It is an amenable number.

11002421321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002421321 is an equidigital number, since it uses as much as digits as its factorization.

11002421321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11002421321 its reverse (12312420011), we get a palindrome (23314841332).

The spelling of 11002421321 in words is "eleven billion, two million, four hundred twenty-one thousand, three hundred twenty-one".