11002101021221 has 8 divisors (see below), whose sum is σ = 11920197003264. Its totient is φ = 10114106546880.

The previous prime is 11002101021209. The next prime is 11002101021229. The reversal of 11002101021221 is 12212010120011.

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

It is not a de Polignac number, because 11002101021221 - 2²⁶ = 11002033912357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11002101021196 and 11002101021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002101021229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7525376165 + ... + 7525377626.

It is an arithmetic number, because the mean of its divisors is an integer number (1490024625408).

Almost surely, 2^{11002101021221} is an apocalyptic number.

It is an amenable number.

11002101021221 is a deficient number, since it is larger than the sum of its proper divisors (918095982043).

11002101021221 is a wasteful number, since it uses less digits than its factorization.

11002101021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15050753851.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11002101021221 its reverse (12212010120011), we get a palindrome (23214111141232).

The spelling of 11002101021221 in words is "eleven trillion, two billion, one hundred one million, twenty-one thousand, two hundred twenty-one".