111001132001 has 16 divisors (see below), whose sum is σ = 117870318720. Its totient is φ = 104169995520.

The previous prime is 111001131977. The next prime is 111001132019. The reversal of 111001132001 is 100231100111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111001132001 - 2⁶ = 111001131937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111001132061) 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, 15974810 + ... + 15981756.

It is an arithmetic number, because the mean of its divisors is an integer number (7366894920).

Almost surely, 2^111001132001 is an apocalyptic number.

It is an amenable number.

111001132001 is a deficient number, since it is larger than the sum of its proper divisors (6869186719).

111001132001 is a wasteful number, since it uses less digits than its factorization.

111001132001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9544.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 111001132001 its reverse (100231100111), we get a palindrome (211232232112).

The spelling of 111001132001 in words is "one hundred eleven billion, one million, one hundred thirty-two thousand, one".