10001660221241 has 32 divisors (see below), whose sum is σ = 11599942556160. Its totient is φ = 8544923594496.

The previous prime is 10001660221199. The next prime is 10001660221261. The reversal of 10001660221241 is 14212206610001.

10001660221241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10001660221241 - 2¹⁸ = 10001659959097 is a prime.

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 10001660221241.

It is not an unprimeable number, because it can be changed into a prime (10001660221261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5692835 + ... + 7239591.

It is an arithmetic number, because the mean of its divisors is an integer number (362498204880).

Almost surely, 2^{10001660221241} is an apocalyptic number.

It is an amenable number.

10001660221241 is a deficient number, since it is larger than the sum of its proper divisors (1598282334919).

10001660221241 is a wasteful number, since it uses less digits than its factorization.

10001660221241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547393.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 10001660221241 its reverse (14212206610001), we get a palindrome (24213866831242).

The spelling of 10001660221241 in words is "ten trillion, one billion, six hundred sixty million, two hundred twenty-one thousand, two hundred forty-one".