11002000121221 has 8 divisors (see below), whose sum is σ = 11581112782080. Its totient is φ = 10422893462688.

The previous prime is 11002000121213. The next prime is 11002000121239. The reversal of 11002000121221 is 12212100020011.

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

It is a cyclic number.

It is not a de Polignac number, because 11002000121221 - 2³ = 11002000121213 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 (11002000121521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2540940 + ... + 5334826.

It is an arithmetic number, because the mean of its divisors is an integer number (1447639097760).

Almost surely, 2^{11002000121221} is an apocalyptic number.

It is an amenable number.

11002000121221 is a deficient number, since it is larger than the sum of its proper divisors (579112660859).

11002000121221 is a wasteful number, since it uses less digits than its factorization.

11002000121221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001163.

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

Adding to 11002000121221 its reverse (12212100020011), we get a palindrome (23214100141232).

The spelling of 11002000121221 in words is "eleven trillion, two billion, one hundred twenty-one thousand, two hundred twenty-one".