11202112111 has 2 divisors, whose sum is σ = 11202112112. Its totient is φ = 11202112110.

The previous prime is 11202112099. The next prime is 11202112121. The reversal of 11202112111 is 11121120211.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11121120211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11202112111 - 2¹¹ = 11202110063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11202112091 and 11202112100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11202112121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601056055 + 5601056056.

It is an arithmetic number, because the mean of its divisors is an integer number (5601056056).

Almost surely, 2^11202112111 is an apocalyptic number.

11202112111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202112111 is an equidigital number, since it uses as much as digits as its factorization.

11202112111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11202112111 its reverse (11121120211), we get a palindrome (22323232322).

The spelling of 11202112111 in words is "eleven billion, two hundred two million, one hundred twelve thousand, one hundred eleven".