43252242101 has 4 divisors (see below), whose sum is σ = 43390428492. Its totient is φ = 43114055712.

The previous prime is 43252242079. The next prime is 43252242107. The reversal of 43252242101 is 10124225234.

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 11309259025 + 31942983076 = 106345^2 + 178726^2 .

It is a cyclic number.

It is not a de Polignac number, because 43252242101 - 2⁶ = 43252242037 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 (43252242107) 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, 69092726 + ... + 69093351.

It is an arithmetic number, because the mean of its divisors is an integer number (10847607123).

Almost surely, 2^43252242101 is an apocalyptic number.

It is an amenable number.

43252242101 is a deficient number, since it is larger than the sum of its proper divisors (138186391).

43252242101 is a wasteful number, since it uses less digits than its factorization.

43252242101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138186390.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 43252242101 its reverse (10124225234), we get a palindrome (53376467335).

The spelling of 43252242101 in words is "forty-three billion, two hundred fifty-two million, two hundred forty-two thousand, one hundred one".