11002401322221 has 16 divisors (see below), whose sum is σ = 14701818864320. Its totient is φ = 7318973185920.

The previous prime is 11002401322193. The next prime is 11002401322229. The reversal of 11002401322221 is 12222310420011.

It is a happy number.

It is not a de Polignac number, because 11002401322221 - 2⁷ = 11002401322093 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 (11002401322229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331331 + ... + 4876191.

It is an arithmetic number, because the mean of its divisors is an integer number (918863679020).

Almost surely, 2^{11002401322221} is an apocalyptic number.

It is an amenable number.

11002401322221 is a deficient number, since it is larger than the sum of its proper divisors (3699417542099).

11002401322221 is a wasteful number, since it uses less digits than its factorization.

11002401322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547116.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11002401322221 its reverse (12222310420011), we get a palindrome (23224711742232).

The spelling of 11002401322221 in words is "eleven trillion, two billion, four hundred one million, three hundred twenty-two thousand, two hundred twenty-one".