21441242523201 has 8 divisors (see below), whose sum is σ = 28588361068800. Its totient is φ = 14294142829872.

The previous prime is 21441242523187. The next prime is 21441242523203. The reversal of 21441242523201 is 10232524214412.

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

It is not a de Polignac number, because 21441242523201 - 2¹⁰ = 21441242522177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21441242523203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1802526 + ... + 6792023.

It is an arithmetic number, because the mean of its divisors is an integer number (3573545133600).

Almost surely, 2^{21441242523201} is an apocalyptic number.

It is an amenable number.

21441242523201 is a deficient number, since it is larger than the sum of its proper divisors (7147118545599).

21441242523201 is an equidigital number, since it uses as much as digits as its factorization.

21441242523201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9426135.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 21441242523201 its reverse (10232524214412), we get a palindrome (31673766737613).

The spelling of 21441242523201 in words is "twenty-one trillion, four hundred forty-one billion, two hundred forty-two million, five hundred twenty-three thousand, two hundred one".