11221102112111 has 2 divisors, whose sum is σ = 11221102112112. Its totient is φ = 11221102112110.

The previous prime is 11221102112089. The next prime is 11221102112113. The reversal of 11221102112111 is 11121120112211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11221102112111 - 2¹⁴ = 11221102095727 is a prime.

It is a super-2 number, since 2×11221102112111² (a number of 27 digits) contains 22 as substring.

Together with 11221102112113, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11221102112111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221102112113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610551056055 + 5610551056056.

It is an arithmetic number, because the mean of its divisors is an integer number (5610551056056).

Almost surely, 2^{11221102112111} is an apocalyptic number.

11221102112111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221102112111 is an equidigital number, since it uses as much as digits as its factorization.

11221102112111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11221102112111 its reverse (11121120112211), we get a palindrome (22342222224322).

The spelling of 11221102112111 in words is "eleven trillion, two hundred twenty-one billion, one hundred two million, one hundred twelve thousand, one hundred eleven".