111432042243301 has 16 divisors (see below), whose sum is σ = 122931376384320. Its totient is φ = 100350971498880.

The previous prime is 111432042243169. The next prime is 111432042243371. The reversal of 111432042243301 is 103342240234111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111432042243301 - 2²¹ = 111432040146149 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 (111432042243371) 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, 109227910 + ... + 110243368.

It is an arithmetic number, because the mean of its divisors is an integer number (7683211024020).

Almost surely, 2^{111432042243301} is an apocalyptic number.

It is an amenable number.

111432042243301 is a deficient number, since it is larger than the sum of its proper divisors (11499334141019).

111432042243301 is a wasteful number, since it uses less digits than its factorization.

111432042243301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221396.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 111432042243301 its reverse (103342240234111), we get a palindrome (214774282477412).

The spelling of 111432042243301 in words is "one hundred eleven trillion, four hundred thirty-two billion, forty-two million, two hundred forty-three thousand, three hundred one".