11002110011221 has 8 divisors (see below), whose sum is σ = 12599448652224. Its totient is φ = 9411173530080.

The previous prime is 11002110011213. The next prime is 11002110011239. The reversal of 11002110011221 is 12211001120011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11002110011221 - 2³ = 11002110011213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002110011251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1600536280 + ... + 1600543153.

It is an arithmetic number, because the mean of its divisors is an integer number (1574931081528).

Almost surely, 2^{11002110011221} is an apocalyptic number.

It is an amenable number.

11002110011221 is a deficient number, since it is larger than the sum of its proper divisors (1597338641003).

11002110011221 is an equidigital number, since it uses as much as digits as its factorization.

11002110011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201079931.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11002110011221 its reverse (12211001120011), we get a palindrome (23213111131232).

The spelling of 11002110011221 in words is "eleven trillion, two billion, one hundred ten million, eleven thousand, two hundred twenty-one".