111101113223101 has 4 divisors (see below), whose sum is σ = 111101530415292. Its totient is φ = 111100696030912.

The previous prime is 111101113223083. The next prime is 111101113223129. The reversal of 111101113223101 is 101322311101111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107520412332025 + 3580700891076 = 10369205^2 + 1892274^2 .

It is a cyclic number.

It is not a de Polignac number, because 111101113223101 - 2⁴³ = 102305020200893 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 (111101113223201) 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, 208196380 + ... + 208729333.

It is an arithmetic number, because the mean of its divisors is an integer number (27775382603823).

Almost surely, 2^{111101113223101} is an apocalyptic number.

It is an amenable number.

111101113223101 is a deficient number, since it is larger than the sum of its proper divisors (417192191).

111101113223101 is an equidigital number, since it uses as much as digits as its factorization.

111101113223101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417192190.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 111101113223101 its reverse (101322311101111), we get a palindrome (212423424324212).

The spelling of 111101113223101 in words is "one hundred eleven trillion, one hundred one billion, one hundred thirteen million, two hundred twenty-three thousand, one hundred one".