11002222021 has 8 divisors (see below), whose sum is σ = 12627935424. Its totient is φ = 9390000480.

The previous prime is 11002222013. The next prime is 11002222051. The reversal of 11002222021 is 12022220011.

It is a happy number.

11002222021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11002222021 - 2³ = 11002222013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002221992 and 11002222010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002222051) 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 7 ways as a sum of consecutive naturals, for example, 3371215 + ... + 3374476.

It is an arithmetic number, because the mean of its divisors is an integer number (1578491928).

Almost surely, 2^11002222021 is an apocalyptic number.

It is an amenable number.

11002222021 is a deficient number, since it is larger than the sum of its proper divisors (1625713403).

11002222021 is an equidigital number, since it uses as much as digits as its factorization.

11002222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745931.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11002222021 its reverse (12022220011), we get a palindrome (23024442032).

The spelling of 11002222021 in words is "eleven billion, two million, two hundred twenty-two thousand, twenty-one".