111001242100111 has 72 divisors (see below), whose sum is σ = 125722718846816. Its totient is φ = 97910208000000.

The previous prime is 111001242100109. The next prime is 111001242100117.

It is a happy number.

111001242100111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 111001242100111 - 2¹ = 111001242100109 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 (111001242100117) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12332096611 + ... + 12332105611.

Almost surely, 2^{111001242100111} is an apocalyptic number.

111001242100111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111001242100111 is a deficient number, since it is larger than the sum of its proper divisors (14721476746705).

111001242100111 is a wasteful number, since it uses less digits than its factorization.

111001242100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9425 (or 9313 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

The spelling of 111001242100111 in words is "one hundred eleven trillion, one billion, two hundred forty-two million, one hundred thousand, one hundred eleven".