201100112443 has 32 divisors (see below), whose sum is σ = 220907022336. Its totient is φ = 182310041088.

The previous prime is 201100112441. The next prime is 201100112489. The reversal of 201100112443 is 344211001102.

It is not a de Polignac number, because 201100112443 - 2¹ = 201100112441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201100112443.

It is not an unprimeable number, because it can be changed into a prime (201100112441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37189846 + ... + 37195252.

It is an arithmetic number, because the mean of its divisors is an integer number (6903344448).

Almost surely, 2^201100112443 is an apocalyptic number.

201100112443 is a deficient number, since it is larger than the sum of its proper divisors (19806909893).

201100112443 is a wasteful number, since it uses less digits than its factorization.

201100112443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6163.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201100112443 its reverse (344211001102), we get a palindrome (545311113545).

The spelling of 201100112443 in words is "two hundred one billion, one hundred million, one hundred twelve thousand, four hundred forty-three".