11002021002221 has 32 divisors (see below), whose sum is σ = 12881335392000. Its totient is φ = 9320359910400.

The previous prime is 11002021002199. The next prime is 11002021002239. The reversal of 11002021002221 is 12220012020011.

It is a cyclic number.

It is not a de Polignac number, because 11002021002221 - 2¹⁰ = 11002021001197 is a prime.

It is a super-3 number, since 3×11002021002221³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002021002196 and 11002021002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002021002251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3862730 + ... + 6076571.

It is an arithmetic number, because the mean of its divisors is an integer number (402541731000).

Almost surely, 2^{11002021002221} is an apocalyptic number.

It is an amenable number.

11002021002221 is a deficient number, since it is larger than the sum of its proper divisors (1879314389779).

11002021002221 is a wasteful number, since it uses less digits than its factorization.

11002021002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9939509.

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

Adding to 11002021002221 its reverse (12220012020011), we get a palindrome (23222033022232).

The spelling of 11002021002221 in words is "eleven trillion, two billion, twenty-one million, two thousand, two hundred twenty-one".