11112110100101 has 2 divisors, whose sum is σ = 11112110100102. Its totient is φ = 11112110100100.

The previous prime is 11112110100097. The next prime is 11112110100139. The reversal of 11112110100101 is 10100101121111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10247675037601 + 864435062500 = 3201199^2 + 929750^2 .

It is an emirp because it is prime and its reverse (10100101121111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11112110100101 - 2² = 11112110100097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112110100191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556055050050 + 5556055050051.

It is an arithmetic number, because the mean of its divisors is an integer number (5556055050051).

Almost surely, 2^{11112110100101} is an apocalyptic number.

It is an amenable number.

11112110100101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112110100101 is an equidigital number, since it uses as much as digits as its factorization.

11112110100101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11112110100101 its reverse (10100101121111), we get a palindrome (21212211221212).

The spelling of 11112110100101 in words is "eleven trillion, one hundred twelve billion, one hundred ten million, one hundred thousand, one hundred one".