11002202110021 has 16 divisors (see below), whose sum is σ = 11870879053104. Its totient is φ = 10158190608384.

The previous prime is 11002202110013. The next prime is 11002202110027. The reversal of 11002202110021 is 12001120220011.

It can be written as a sum of positive squares in 8 ways, for example, as 5961952607521 + 5040249502500 = 2441711^2 + 2245050^2 .

It is a cyclic number.

It is not a de Polignac number, because 11002202110021 - 2³ = 11002202110013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002202109983 and 11002202110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002202110027) 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 in 15 ways as a sum of consecutive naturals, for example, 5493181 + ... + 7223533.

It is an arithmetic number, because the mean of its divisors is an integer number (741929940819).

Almost surely, 2^{11002202110021} is an apocalyptic number.

It is an amenable number.

11002202110021 is a deficient number, since it is larger than the sum of its proper divisors (868676943083).

11002202110021 is a wasteful number, since it uses less digits than its factorization.

11002202110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737480.

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

Adding to 11002202110021 its reverse (12001120220011), we get a palindrome (23003322330032).

The spelling of 11002202110021 in words is "eleven trillion, two billion, two hundred two million, one hundred ten thousand, twenty-one".