21141110241 has 20 divisors (see below), whose sum is σ = 31645544304. Its totient is φ = 14065342200.

The previous prime is 21141110167. The next prime is 21141110297. The reversal of 21141110241 is 14201114112.

21141110241 is a `hidden beast` number, since 2 + 1 + 1 + 411 + 10 + 241 = 666.

It is not a de Polignac number, because 21141110241 - 2⁹ = 21141109729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21141110941) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 226015 + ... + 305556.

Almost surely, 2^21141110241 is an apocalyptic number.

It is an amenable number.

21141110241 is a deficient number, since it is larger than the sum of its proper divisors (10504434063).

21141110241 is an equidigital number, since it uses as much as digits as its factorization.

21141110241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532074 (or 532065 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 21141110241 its reverse (14201114112), we get a palindrome (35342224353).

The spelling of 21141110241 in words is "twenty-one billion, one hundred forty-one million, one hundred ten thousand, two hundred forty-one".