2044422121121 has 4 divisors (see below), whose sum is σ = 2044426408752. Its totient is φ = 2044417833492.

The previous prime is 2044422121099. The next prime is 2044422121207. The reversal of 2044422121121 is 1211212244402.

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 2044422121121 - 2³⁸ = 1769544214177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044422321121) 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, 1324115 + ... + 2417048.

It is an arithmetic number, because the mean of its divisors is an integer number (511106602188).

Almost surely, 2^{2044422121121} is an apocalyptic number.

It is an amenable number.

2044422121121 is a deficient number, since it is larger than the sum of its proper divisors (4287631).

2044422121121 is an equidigital number, since it uses as much as digits as its factorization.

2044422121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287630.

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

Adding to 2044422121121 its reverse (1211212244402), we get a palindrome (3255634365523).

The spelling of 2044422121121 in words is "two trillion, forty-four billion, four hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-one".