21323300221011 has 8 divisors (see below), whose sum is σ = 28431093041104. Its totient is φ = 14215520440800.

The previous prime is 21323300220967. The next prime is 21323300221033. The reversal of 21323300221011 is 11012200332312.

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

It is not a de Polignac number, because 21323300221011 - 2⁶ = 21323300220947 is a prime.

It is a super-2 number, since 2×21323300221011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21323300221061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1583685 + ... + 6719721.

It is an arithmetic number, because the mean of its divisors is an integer number (3553886630138).

Almost surely, 2^{21323300221011} is an apocalyptic number.

21323300221011 is a deficient number, since it is larger than the sum of its proper divisors (7107792820093).

21323300221011 is a wasteful number, since it uses less digits than its factorization.

21323300221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6519941.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21323300221011 its reverse (11012200332312), we get a palindrome (32335500553323).

The spelling of 21323300221011 in words is "twenty-one trillion, three hundred twenty-three billion, three hundred million, two hundred twenty-one thousand, eleven".