11002021201001 has 2 divisors, whose sum is σ = 11002021201002. Its totient is φ = 11002021201000.

The previous prime is 11002021200997. The next prime is 11002021201007. The reversal of 11002021201001 is 10010212020011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10257383371225 + 744637829776 = 3202715^2 + 862924^2 .

It is a cyclic number.

It is not a de Polignac number, because 11002021201001 - 2² = 11002021200997 is a prime.

It is not a weakly prime, because it can be changed into another prime (11002021201007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501010600500 + 5501010600501.

It is an arithmetic number, because the mean of its divisors is an integer number (5501010600501).

Almost surely, 2^{11002021201001} is an apocalyptic number.

It is an amenable number.

11002021201001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002021201001 is an equidigital number, since it uses as much as digits as its factorization.

11002021201001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11002021201001 its reverse (10010212020011), we get a palindrome (21012233221012).

The spelling of 11002021201001 in words is "eleven trillion, two billion, twenty-one million, two hundred one thousand, one".