21230322013011 has 4 divisors (see below), whose sum is σ = 28307096017352. Its totient is φ = 14153548008672.

The previous prime is 21230322012931. The next prime is 21230322013031. The reversal of 21230322013011 is 11031022303212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 21230322013011 - 2¹⁴ = 21230321996627 is a prime.

It is a super-2 number, since 2×21230322013011² (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 (21230322013031) 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 3 ways as a sum of consecutive naturals, for example, 3538387002166 + ... + 3538387002171.

It is an arithmetic number, because the mean of its divisors is an integer number (7076774004338).

Almost surely, 2^{21230322013011} is an apocalyptic number.

21230322013011 is a deficient number, since it is larger than the sum of its proper divisors (7076774004341).

21230322013011 is an equidigital number, since it uses as much as digits as its factorization.

21230322013011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7076774004340.

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

Adding to 21230322013011 its reverse (11031022303212), we get a palindrome (32261344316223).

The spelling of 21230322013011 in words is "twenty-one trillion, two hundred thirty billion, three hundred twenty-two million, thirteen thousand, eleven".