11003211002021 has 16 divisors (see below), whose sum is σ = 12610834790400. Its totient is φ = 9404524295088.

The previous prime is 11003211001973. The next prime is 11003211002033. The reversal of 11003211002021 is 12020011230011.

It is a cyclic number.

It is not a de Polignac number, because 11003211002021 - 2³⁰ = 11002137260197 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11003211001987 and 11003211002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003211002071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48435326 + ... + 48661968.

It is an arithmetic number, because the mean of its divisors is an integer number (788177174400).

Almost surely, 2^{11003211002021} is an apocalyptic number.

It is an amenable number.

11003211002021 is a deficient number, since it is larger than the sum of its proper divisors (1607623788379).

11003211002021 is a wasteful number, since it uses less digits than its factorization.

11003211002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246328.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11003211002021 its reverse (12020011230011), we get a palindrome (23023222232032).

The spelling of 11003211002021 in words is "eleven trillion, three billion, two hundred eleven million, two thousand, twenty-one".