111001000001101 has 16 divisors (see below), whose sum is σ = 127860860920320. Its totient is φ = 94392171422640.

The previous prime is 111001000001057. The next prime is 111001000001107. The reversal of 111001000001101 is 101100000100111.

It is a happy number.

It is not a de Polignac number, because 111001000001101 - 2¹⁵ = 111000999968333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001000001107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12758551 + ... + 19615876.

It is an arithmetic number, because the mean of its divisors is an integer number (7991303807520).

Almost surely, 2^{111001000001101} is an apocalyptic number.

It is an amenable number.

111001000001101 is a deficient number, since it is larger than the sum of its proper divisors (16859860919219).

111001000001101 is a wasteful number, since it uses less digits than its factorization.

111001000001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32378304.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 111001000001101 its reverse (101100000100111), we get a palindrome (212101000101212).

The spelling of 111001000001101 in words is "one hundred eleven trillion, one billion, one thousand, one hundred one".