44420210122121 has 4 divisors (see below), whose sum is σ = 44440373633232. Its totient is φ = 44400046611012.

The previous prime is 44420210122117. The next prime is 44420210122153. The reversal of 44420210122121 is 12122101202444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44420210122121 - 2² = 44420210122117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44420710122121) 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, 10081752251 + ... + 10081756656.

It is an arithmetic number, because the mean of its divisors is an integer number (11110093408308).

Almost surely, 2^{44420210122121} is an apocalyptic number.

It is an amenable number.

44420210122121 is a deficient number, since it is larger than the sum of its proper divisors (20163511111).

44420210122121 is a wasteful number, since it uses less digits than its factorization.

44420210122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20163511110.

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 44420210122121 its reverse (12122101202444), we get a palindrome (56542311324565).

The spelling of 44420210122121 in words is "forty-four trillion, four hundred twenty billion, two hundred ten million, one hundred twenty-two thousand, one hundred twenty-one".