2041044440221 has 4 divisors (see below), whose sum is σ = 2079554712732. Its totient is φ = 2002534167712.

The previous prime is 2041044440107. The next prime is 2041044440231. The reversal of 2041044440221 is 1220444401402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1044461516121 + 996582924100 = 1021989^2 + 998290^2 .

It is a cyclic number.

It is not a de Polignac number, because 2041044440221 - 2²¹ = 2041042343069 is a prime.

It is a super-3 number, since 3×2041044440221³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2041044440221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041044440231) 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, 19255136176 + ... + 19255136281.

It is an arithmetic number, because the mean of its divisors is an integer number (519888678183).

Almost surely, 2^{2041044440221} is an apocalyptic number.

It is an amenable number.

2041044440221 is a deficient number, since it is larger than the sum of its proper divisors (38510272511).

2041044440221 is an equidigital number, since it uses as much as digits as its factorization.

2041044440221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38510272510.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 2041044440221 its reverse (1220444401402), we get a palindrome (3261488841623).

The spelling of 2041044440221 in words is "two trillion, forty-one billion, forty-four million, four hundred forty thousand, two hundred twenty-one".