111110001001101 has 40 divisors (see below), whose sum is σ = 166215407117760. Its totient is φ = 73967901112512.

The previous prime is 111110001001081. The next prime is 111110001001117. The reversal of 111110001001101 is 101100100011111.

It is not a de Polignac number, because 111110001001101 - 2⁶ = 111110001001037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110001001151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1925988265 + ... + 1926045953.

It is an arithmetic number, because the mean of its divisors is an integer number (4155385177944).

Almost surely, 2^{111110001001101} is an apocalyptic number.

It is an amenable number.

111110001001101 is a deficient number, since it is larger than the sum of its proper divisors (55105406116659).

111110001001101 is an equidigital number, since it uses as much as digits as its factorization.

111110001001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91135 (or 91126 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 111110001001101 its reverse (101100100011111), we get a palindrome (212210101012212).

The spelling of 111110001001101 in words is "one hundred eleven trillion, one hundred ten billion, one million, one thousand, one hundred one".