111110216101 has 2 divisors, whose sum is σ = 111110216102. Its totient is φ = 111110216100.

The previous prime is 111110216093. The next prime is 111110216117. The reversal of 111110216101 is 101612011111.

It is an a-pointer prime, because the next prime (111110216117) can be obtained adding 111110216101 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59903052001 + 51207164100 = 244751^2 + 226290^2 .

It is a cyclic number.

It is not a de Polignac number, because 111110216101 - 2³ = 111110216093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111110216401) 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 as a sum of consecutive naturals, namely, 55555108050 + 55555108051.

It is an arithmetic number, because the mean of its divisors is an integer number (55555108051).

Almost surely, 2^111110216101 is an apocalyptic number.

It is an amenable number.

111110216101 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110216101 is an equidigital number, since it uses as much as digits as its factorization.

111110216101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 111110216101 its reverse (101612011111), we get a palindrome (212722227212).

The spelling of 111110216101 in words is "one hundred eleven billion, one hundred ten million, two hundred sixteen thousand, one hundred one".