11002202000221 has 4 divisors (see below), whose sum is σ = 11002346346844. Its totient is φ = 11002057653600.

The previous prime is 11002202000197. The next prime is 11002202000239. The reversal of 11002202000221 is 12200020220011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7948057792900 + 3054144207321 = 2819230^2 + 1747611^2 .

It is a cyclic number.

It is not a de Polignac number, because 11002202000221 - 2¹³ = 11002201992029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002202000281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72058920 + ... + 72211441.

It is an arithmetic number, because the mean of its divisors is an integer number (2750586586711).

Almost surely, 2^{11002202000221} is an apocalyptic number.

It is an amenable number.

11002202000221 is a deficient number, since it is larger than the sum of its proper divisors (144346623).

11002202000221 is an equidigital number, since it uses as much as digits as its factorization.

11002202000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144346622.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11002202000221 its reverse (12200020220011), we get a palindrome (23202222220232).

The spelling of 11002202000221 in words is "eleven trillion, two billion, two hundred two million, two hundred twenty-one", and thus it is an aban number.