11002021012201 has 32 divisors (see below), whose sum is σ = 11454130749600. Its totient is φ = 10561933025280.

The previous prime is 11002021012193. The next prime is 11002021012219. The reversal of 11002021012201 is 10221012020011.

It can be written as a sum of positive squares in 16 ways, for example, as 2570105954025 + 8431915058176 = 1603155^2 + 2903776^2 .

It is a cyclic number.

It is not a de Polignac number, because 11002021012201 - 2³ = 11002021012193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11002021012231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258308815 + ... + 258351403.

It is an arithmetic number, because the mean of its divisors is an integer number (357941585925).

Almost surely, 2^{11002021012201} is an apocalyptic number.

It is an amenable number.

11002021012201 is a deficient number, since it is larger than the sum of its proper divisors (452109737399).

11002021012201 is a wasteful number, since it uses less digits than its factorization.

11002021012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43309.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11002021012201 its reverse (10221012020011), we get a palindrome (21223033032212).

The spelling of 11002021012201 in words is "eleven trillion, two billion, twenty-one million, twelve thousand, two hundred one".