44643212101 has 4 divisors (see below), whose sum is σ = 45085224204. Its totient is φ = 44201200000.

The previous prime is 44643212099. The next prime is 44643212111. The reversal of 44643212101 is 10121234644.

44643212101 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 can be written as a sum of positive squares in 2 ways, for example, as 31366181025 + 13277031076 = 177105^2 + 115226^2 .

It is a cyclic number.

It is not a de Polignac number, because 44643212101 - 2¹ = 44643212099 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 44643212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44643212111) 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, 221005900 + ... + 221006101.

It is an arithmetic number, because the mean of its divisors is an integer number (11271306051).

Almost surely, 2^44643212101 is an apocalyptic number.

It is an amenable number.

44643212101 is a deficient number, since it is larger than the sum of its proper divisors (442012103).

44643212101 is a wasteful number, since it uses less digits than its factorization.

44643212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442012102.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 44643212101 its reverse (10121234644), we get a palindrome (54764446745).

The spelling of 44643212101 in words is "forty-four billion, six hundred forty-three million, two hundred twelve thousand, one hundred one".