10001442320221 has 24 divisors (see below), whose sum is σ = 11230995565440. Its totient is φ = 8897684315520.

The previous prime is 10001442320167. The next prime is 10001442320231. The reversal of 10001442320221 is 12202324410001.

10001442320221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10001442320221 - 2⁹ = 10001442319709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001442320192 and 10001442320201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001442320231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3549415 + ... + 5709748.

It is an arithmetic number, because the mean of its divisors is an integer number (467958148560).

Almost surely, 2^{10001442320221} is an apocalyptic number.

10001442320221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10001442320221 is a deficient number, since it is larger than the sum of its proper divisors (1229553245219).

10001442320221 is a wasteful number, since it uses less digits than its factorization.

10001442320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9259377 (or 9259366 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 10001442320221 its reverse (12202324410001), we get a palindrome (22203766730222).

The spelling of 10001442320221 in words is "ten trillion, one billion, four hundred forty-two million, three hundred twenty thousand, two hundred twenty-one".