2044412101221 has 16 divisors (see below), whose sum is σ = 3115347093504. Its totient is φ = 1168215812784.

The previous prime is 2044412101213. The next prime is 2044412101241. The reversal of 2044412101221 is 1221012144402.

It is a happy number.

It is not a de Polignac number, because 2044412101221 - 2³ = 2044412101213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2044412101191 and 2044412101200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044412101241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506880 + ... + 2084646.

It is an arithmetic number, because the mean of its divisors is an integer number (194709193344).

Almost surely, 2^{2044412101221} is an apocalyptic number.

2044412101221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2044412101221 is a deficient number, since it is larger than the sum of its proper divisors (1070934992283).

2044412101221 is a wasteful number, since it uses less digits than its factorization.

2044412101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639480.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 2044412101221 its reverse (1221012144402), we get a palindrome (3265424245623).

The spelling of 2044412101221 in words is "two trillion, forty-four billion, four hundred twelve million, one hundred one thousand, two hundred twenty-one".