21141404241041 has 6 divisors (see below), whose sum is σ = 24593062076370. Its totient is φ = 18121203635136.

The previous prime is 21141404240921. The next prime is 21141404241047. The reversal of 21141404241041 is 14014240414112.

It can be written as a sum of positive squares in only one way, i.e., 16402532400016 + 4738871841025 = 4050004^2 + 2176895^2 .

It is not a de Polignac number, because 21141404241041 - 2³⁸ = 20866526334097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21141404240995 and 21141404241013.

It is not an unprimeable number, because it can be changed into a prime (21141404241047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215728614656 + ... + 215728614753.

It is an arithmetic number, because the mean of its divisors is an integer number (4098843679395).

Almost surely, 2^{21141404241041} is an apocalyptic number.

It is an amenable number.

21141404241041 is a deficient number, since it is larger than the sum of its proper divisors (3451657835329).

21141404241041 is an equidigital number, since it uses as much as digits as its factorization.

21141404241041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431457229423 (or 431457229416 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

Adding to 21141404241041 its reverse (14014240414112), we get a palindrome (35155644655153).

The spelling of 21141404241041 in words is "twenty-one trillion, one hundred forty-one billion, four hundred four million, two hundred forty-one thousand, forty-one".