11002367021 has 2 divisors, whose sum is σ = 11002367022. Its totient is φ = 11002367020.

The previous prime is 11002367017. The next prime is 11002367083. The reversal of 11002367021 is 12076320011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10591291396 + 411075625 = 102914^2 + 20275^2 .

It is a cyclic number.

It is not a de Polignac number, because 11002367021 - 2² = 11002367017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11002360021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501183510 + 5501183511.

It is an arithmetic number, because the mean of its divisors is an integer number (5501183511).

Almost surely, 2^11002367021 is an apocalyptic number.

It is an amenable number.

11002367021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002367021 is an equidigital number, since it uses as much as digits as its factorization.

11002367021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 11002367021 its reverse (12076320011), we get a palindrome (23078687032).

The spelling of 11002367021 in words is "eleven billion, two million, three hundred sixty-seven thousand, twenty-one".