22311320111 has 2 divisors, whose sum is σ = 22311320112. Its totient is φ = 22311320110.

The previous prime is 22311320089. The next prime is 22311320153. The reversal of 22311320111 is 11102311322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22311320111 - 2¹⁰ = 22311319087 is a prime.

It is a super-3 number, since 3×22311320111³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22311320111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22311380111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11155660055 + 11155660056.

It is an arithmetic number, because the mean of its divisors is an integer number (11155660056).

Almost surely, 2^22311320111 is an apocalyptic number.

22311320111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22311320111 is an equidigital number, since it uses as much as digits as its factorization.

22311320111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22311320111 its reverse (11102311322), we get a palindrome (33413631433).

The spelling of 22311320111 in words is "twenty-two billion, three hundred eleven million, three hundred twenty thousand, one hundred eleven".