22120313311 has 4 divisors (see below), whose sum is σ = 22215250512. Its totient is φ = 22025376112.

The previous prime is 22120313309. The next prime is 22120313333. The reversal of 22120313311 is 11331302122.

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

It is a cyclic number.

It is not a de Polignac number, because 22120313311 - 2¹ = 22120313309 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 (22120313711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47468251 + ... + 47468716.

It is an arithmetic number, because the mean of its divisors is an integer number (5553812628).

Almost surely, 2^22120313311 is an apocalyptic number.

22120313311 is a deficient number, since it is larger than the sum of its proper divisors (94937201).

22120313311 is an equidigital number, since it uses as much as digits as its factorization.

22120313311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94937200.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22120313311 its reverse (11331302122), we get a palindrome (33451615433).

The spelling of 22120313311 in words is "twenty-two billion, one hundred twenty million, three hundred thirteen thousand, three hundred eleven".