44102140221 has 16 divisors (see below), whose sum is σ = 59549031360. Its totient is φ = 29028787200.

The previous prime is 44102140213. The next prime is 44102140279. The reversal of 44102140221 is 12204120144.

It is not a de Polignac number, because 44102140221 - 2³ = 44102140213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44102140721) 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, 343335 + ... + 453963.

It is an arithmetic number, because the mean of its divisors is an integer number (3721814460).

Almost surely, 2^44102140221 is an apocalyptic number.

It is an amenable number.

44102140221 is a deficient number, since it is larger than the sum of its proper divisors (15446891139).

44102140221 is a wasteful number, since it uses less digits than its factorization.

44102140221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112316.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 44102140221 its reverse (12204120144), we get a palindrome (56306260365).

The spelling of 44102140221 in words is "forty-four billion, one hundred two million, one hundred forty thousand, two hundred twenty-one".