21441303041 has 4 divisors (see below), whose sum is σ = 22373533632. Its totient is φ = 20509072452.

The previous prime is 21441303007. The next prime is 21441303053. The reversal of 21441303041 is 14030314412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21441303041 - 2³⁴ = 4261433857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 932230567 = 21441303041 / (2 + 1 + 4 + 4 + 1 + 3 + 0 + 3 + 0 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21441302998 and 21441303016.

It is not an unprimeable number, because it can be changed into a prime (21441303071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466115261 + ... + 466115306.

It is an arithmetic number, because the mean of its divisors is an integer number (5593383408).

Almost surely, 2^21441303041 is an apocalyptic number.

It is an amenable number.

21441303041 is a deficient number, since it is larger than the sum of its proper divisors (932230591).

21441303041 is an equidigital number, since it uses as much as digits as its factorization.

21441303041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932230590.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21441303041 its reverse (14030314412), we get a palindrome (35471617453).

The spelling of 21441303041 in words is "twenty-one billion, four hundred forty-one million, three hundred three thousand, forty-one".