11202011021 has 16 divisors (see below), whose sum is σ = 11567646720. Its totient is φ = 10841147520.

The previous prime is 11202011003. The next prime is 11202011027. The reversal of 11202011021 is 12011020211.

It is a cyclic number.

It is not a de Polignac number, because 11202011021 - 2²⁶ = 11134902157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11202010993 and 11202011011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202011027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2712260 + ... + 2716386.

It is an arithmetic number, because the mean of its divisors is an integer number (722977920).

Almost surely, 2^11202011021 is an apocalyptic number.

It is an amenable number.

11202011021 is a deficient number, since it is larger than the sum of its proper divisors (365635699).

11202011021 is a wasteful number, since it uses less digits than its factorization.

11202011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11202011021 its reverse (12011020211), we get a palindrome (23213031232).

The spelling of 11202011021 in words is "eleven billion, two hundred two million, eleven thousand, twenty-one".