11201322021 has 32 divisors (see below), whose sum is σ = 15620881920. Its totient is φ = 7133189184.

The previous prime is 11201322019. The next prime is 11201322043. The reversal of 11201322021 is 12022310211.

11201322021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11201322021 - 2¹ = 11201322019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201322001) 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 31 ways as a sum of consecutive naturals, for example, 1497990 + ... + 1505448.

It is an arithmetic number, because the mean of its divisors is an integer number (488152560).

Almost surely, 2^11201322021 is an apocalyptic number.

It is an amenable number.

11201322021 is a deficient number, since it is larger than the sum of its proper divisors (4419559899).

11201322021 is a wasteful number, since it uses less digits than its factorization.

11201322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7745.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11201322021 its reverse (12022310211), we get a palindrome (23223632232).

The spelling of 11201322021 in words is "eleven billion, two hundred one million, three hundred twenty-two thousand, twenty-one".