44242332121 has 4 divisors (see below), whose sum is σ = 47645588452. Its totient is φ = 40839075792.

The previous prime is 44242332103. The next prime is 44242332131. The reversal of 44242332121 is 12123324244.

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 13470155721 + 30772176400 = 116061^2 + 175420^2 .

It is a cyclic number.

It is not a de Polignac number, because 44242332121 - 2¹³ = 44242323929 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 44242332121.

It is not an unprimeable number, because it can be changed into a prime (44242332131) 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 3 ways as a sum of consecutive naturals, for example, 1701628146 + ... + 1701628171.

It is an arithmetic number, because the mean of its divisors is an integer number (11911397113).

Almost surely, 2^44242332121 is an apocalyptic number.

It is an amenable number.

44242332121 is a deficient number, since it is larger than the sum of its proper divisors (3403256331).

44242332121 is a wasteful number, since it uses less digits than its factorization.

44242332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403256330.

The product of its digits is 9216, while the sum is 28.

Adding to 44242332121 its reverse (12123324244), we get a palindrome (56365656365).

The spelling of 44242332121 in words is "forty-four billion, two hundred forty-two million, three hundred thirty-two thousand, one hundred twenty-one".