111012101100101 has 4 divisors (see below), whose sum is σ = 111022205061312. Its totient is φ = 111001997138892.

The previous prime is 111012101100071. The next prime is 111012101100113. The reversal of 111012101100101 is 101001101210111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111012101100101 - 2⁶ = 111012101100037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012101100181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5051964125 + ... + 5051986098.

It is an arithmetic number, because the mean of its divisors is an integer number (27755551265328).

Almost surely, 2^{111012101100101} is an apocalyptic number.

It is an amenable number.

111012101100101 is a deficient number, since it is larger than the sum of its proper divisors (10103961211).

111012101100101 is a wasteful number, since it uses less digits than its factorization.

111012101100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10103961210.

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

Adding to 111012101100101 its reverse (101001101210111), we get a palindrome (212013202310212).

The spelling of 111012101100101 in words is "one hundred eleven trillion, twelve billion, one hundred one million, one hundred thousand, one hundred one".