111432102243 has 32 divisors (see below), whose sum is σ = 190244221440. Its totient is φ = 56322293760.

The previous prime is 111432102217. The next prime is 111432102247. The reversal of 111432102243 is 342201234111.

It is not a de Polignac number, because 111432102243 - 2¹⁰ = 111432101219 is a prime.

It is a super-2 number, since 2×111432102243² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111432102247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6510238 + ... + 6527331.

It is an arithmetic number, because the mean of its divisors is an integer number (5945131920).

Almost surely, 2^111432102243 is an apocalyptic number.

111432102243 is a deficient number, since it is larger than the sum of its proper divisors (78812119197).

111432102243 is a wasteful number, since it uses less digits than its factorization.

111432102243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13037627.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 111432102243 its reverse (342201234111), we get a palindrome (453633336354).

The spelling of 111432102243 in words is "one hundred eleven billion, four hundred thirty-two million, one hundred two thousand, two hundred forty-three".