2044012221321 has 12 divisors (see below), whose sum is σ = 3170304670032. Its totient is φ = 1168006983528.

The previous prime is 2044012221299. The next prime is 2044012221341. The reversal of 2044012221321 is 1231222104402.

It is not a de Polignac number, because 2044012221321 - 2⁶ = 2044012221257 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2044012221291 and 2044012221300.

It is not an unprimeable number, because it can be changed into a prime (2044012221341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6952422375 + ... + 6952422668.

It is an arithmetic number, because the mean of its divisors is an integer number (264192055836).

Almost surely, 2^{2044012221321} is an apocalyptic number.

2044012221321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2044012221321 is a deficient number, since it is larger than the sum of its proper divisors (1126292448711).

2044012221321 is a wasteful number, since it uses less digits than its factorization.

2044012221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13904845060 (or 13904845053 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2044012221321 its reverse (1231222104402), we get a palindrome (3275234325723).

The spelling of 2044012221321 in words is "two trillion, forty-four billion, twelve million, two hundred twenty-one thousand, three hundred twenty-one".