111000100001 has 16 divisors (see below), whose sum is σ = 127726854528.
Its totient is φ = 94492137600.
The previous prime is 111000099979. The next prime is 111000100019. The reversal of 111000100001 is 100001000111.
It is not a de Polignac number, because 111000100001 - 218 = 110999837857 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (111000100201) 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, 906626 + ... + 1021748.
It is an arithmetic number, because the mean of its divisors is an integer number (7982928408).
Almost surely, 2111000100001 is an apocalyptic number.
It is an amenable number.
111000100001 is a deficient number, since it is larger than the sum of its proper divisors (16726754527).
111000100001 is a wasteful number, since it uses less digits than its factorization.
111000100001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116072.
The product of its (nonzero) digits is 1, while the sum is 5.
Adding to 111000100001 its reverse (100001000111), we get a palindrome (211001100112).
The spelling of 111000100001 in words is "one hundred eleven billion, one hundred thousand, one".