22131020304111 has 4 divisors (see below), whose sum is σ = 29508027072152. Its totient is φ = 14754013536072.

The previous prime is 22131020304101. The next prime is 22131020304143. The reversal of 22131020304111 is 11140302013122.

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

It is not a de Polignac number, because 22131020304111 - 2¹⁹ = 22131019779823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131020304101) 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, 3688503384016 + ... + 3688503384021.

It is an arithmetic number, because the mean of its divisors is an integer number (7377006768038).

Almost surely, 2^{22131020304111} is an apocalyptic number.

22131020304111 is a deficient number, since it is larger than the sum of its proper divisors (7377006768041).

22131020304111 is an equidigital number, since it uses as much as digits as its factorization.

22131020304111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7377006768040.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 22131020304111 its reverse (11140302013122), we get a palindrome (33271322317233).

The spelling of 22131020304111 in words is "twenty-two trillion, one hundred thirty-one billion, twenty million, three hundred four thousand, one hundred eleven".