2044223665121 has 8 divisors (see below), whose sum is σ = 2230072536288. Its totient is φ = 1858376520000.

The previous prime is 2044223665109. The next prime is 2044223665157. The reversal of 2044223665121 is 1215663224402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2044223665121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044223685121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4312946 + ... + 4763396.

It is an arithmetic number, because the mean of its divisors is an integer number (278759067036).

Almost surely, 2^{2044223665121} is an apocalyptic number.

It is an amenable number.

2044223665121 is a deficient number, since it is larger than the sum of its proper divisors (185848871167).

2044223665121 is a wasteful number, since it uses less digits than its factorization.

2044223665121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863023.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 2044223665121 its reverse (1215663224402), we get a palindrome (3259886889523).

The spelling of 2044223665121 in words is "two trillion, forty-four billion, two hundred twenty-three million, six hundred sixty-five thousand, one hundred twenty-one".