44112221143 has 4 divisors (see below), whose sum is σ = 44524485000. Its totient is φ = 43699957288.

The previous prime is 44112221057. The next prime is 44112221189. The reversal of 44112221143 is 34112221144.

44112221143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44112221143 - 2²⁵ = 44078666711 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 (44112221443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206131768 + ... + 206131981.

It is an arithmetic number, because the mean of its divisors is an integer number (11131121250).

Almost surely, 2^44112221143 is an apocalyptic number.

44112221143 is a deficient number, since it is larger than the sum of its proper divisors (412263857).

44112221143 is a wasteful number, since it uses less digits than its factorization.

44112221143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412263856.

The product of its digits is 1536, while the sum is 25.

Adding to 44112221143 its reverse (34112221144), we get a palindrome (78224442287).

Subtracting from 44112221143 its reverse (34112221144), we obtain a palindrome (9999999999).

The spelling of 44112221143 in words is "forty-four billion, one hundred twelve million, two hundred twenty-one thousand, one hundred forty-three".