41112120221 has 8 divisors (see below), whose sum is σ = 43565355000. Its totient is φ = 38662760448.

The previous prime is 41112120209. The next prime is 41112120239. The reversal of 41112120221 is 12202121114.

It can be written as a sum of positive squares in 4 ways, for example, as 19241851225 + 21870268996 = 138715^2 + 147886^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 41112120221 - 2⁶ = 41112120157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 41112120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41112120241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 946886 + ... + 989351.

It is an arithmetic number, because the mean of its divisors is an integer number (5445669375).

Almost surely, 2^41112120221 is an apocalyptic number.

It is an amenable number.

41112120221 is a deficient number, since it is larger than the sum of its proper divisors (2453234779).

41112120221 is a wasteful number, since it uses less digits than its factorization.

41112120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937503.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 41112120221 its reverse (12202121114), we get a palindrome (53314241335).

The spelling of 41112120221 in words is "forty-one billion, one hundred twelve million, one hundred twenty thousand, two hundred twenty-one".