11002002120221 has 4 divisors (see below), whose sum is σ = 12573716708832. Its totient is φ = 9430287531612.

The previous prime is 11002002120209. The next prime is 11002002120251. The reversal of 11002002120221 is 12202120020011.

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 11002002120221 - 2¹⁰ = 11002002119197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002002120196 and 11002002120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002002120251) 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, 785857294295 + ... + 785857294308.

It is an arithmetic number, because the mean of its divisors is an integer number (3143429177208).

Almost surely, 2^{11002002120221} is an apocalyptic number.

It is an amenable number.

11002002120221 is a deficient number, since it is larger than the sum of its proper divisors (1571714588611).

11002002120221 is an equidigital number, since it uses as much as digits as its factorization.

11002002120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571714588610.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11002002120221 its reverse (12202120020011), we get a palindrome (23204122140232).

The spelling of 11002002120221 in words is "eleven trillion, two billion, two million, one hundred twenty thousand, two hundred twenty-one".