11002101022221 has 4 divisors (see below), whose sum is σ = 14669468029632. Its totient is φ = 7334734014812.

The previous prime is 11002101022219. The next prime is 11002101022261. The reversal of 11002101022221 is 12222010120011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11002101022221 - 2¹ = 11002101022219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11002101022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002101022261) 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 3 ways as a sum of consecutive naturals, for example, 1833683503701 + ... + 1833683503706.

It is an arithmetic number, because the mean of its divisors is an integer number (3667367007408).

Almost surely, 2^{11002101022221} is an apocalyptic number.

It is an amenable number.

11002101022221 is a deficient number, since it is larger than the sum of its proper divisors (3667367007411).

11002101022221 is an equidigital number, since it uses as much as digits as its factorization.

11002101022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667367007410.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11002101022221 its reverse (12222010120011), we get a palindrome (23224111142232).

The spelling of 11002101022221 in words is "eleven trillion, two billion, one hundred one million, twenty-two thousand, two hundred twenty-one".