11002031230021 has 12 divisors (see below), whose sum is σ = 11937126968928. Its totient is φ = 10135530756624.

The previous prime is 11002031229941. The next prime is 11002031230031. The reversal of 11002031230021 is 12003213020011.

It is not a de Polignac number, because 11002031230021 - 2¹¹ = 11002031227973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002031229977 and 11002031230004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002031230031) 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 11 ways as a sum of consecutive naturals, for example, 64627495 + ... + 64797508.

It is an arithmetic number, because the mean of its divisors is an integer number (994760580744).

Almost surely, 2^{11002031230021} is an apocalyptic number.

It is an amenable number.

11002031230021 is a deficient number, since it is larger than the sum of its proper divisors (935095738907).

11002031230021 is a wasteful number, since it uses less digits than its factorization.

11002031230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129425532 (or 129425519 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11002031230021 its reverse (12003213020011), we get a palindrome (23005244250032).

The spelling of 11002031230021 in words is "eleven trillion, two billion, thirty-one million, two hundred thirty thousand, twenty-one".