201221442240041 has 8 divisors (see below), whose sum is σ = 210281883233664. Its totient is φ = 192360131817840.

The previous prime is 201221442240031. The next prime is 201221442240047. The reversal of 201221442240041 is 140042244122102.

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 201221442240041 - 2³⁴ = 201204262370857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201221442239986 and 201221442240013.

It is not an unprimeable number, because it can be changed into a prime (201221442240047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49782640790 + ... + 49782644831.

It is an arithmetic number, because the mean of its divisors is an integer number (26285235404208).

Almost surely, 2^{201221442240041} is an apocalyptic number.

It is an amenable number.

201221442240041 is a deficient number, since it is larger than the sum of its proper divisors (9060440993623).

201221442240041 is an equidigital number, since it uses as much as digits as its factorization.

201221442240041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99565285711.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 201221442240041 its reverse (140042244122102), we get a palindrome (341263686362143).

The spelling of 201221442240041 in words is "two hundred one trillion, two hundred twenty-one billion, four hundred forty-two million, two hundred forty thousand, forty-one".