21442411301 has 4 divisors (see below), whose sum is σ = 21531384204. Its totient is φ = 21353438400.

The previous prime is 21442411283. The next prime is 21442411307. The reversal of 21442411301 is 10311424412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19820416225 + 1621995076 = 140785^2 + 40274^2 .

It is a cyclic number.

It is not a de Polignac number, because 21442411301 - 2¹⁰ = 21442410277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21442411307) 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, 44486090 + ... + 44486571.

It is an arithmetic number, because the mean of its divisors is an integer number (5382846051).

Almost surely, 2^21442411301 is an apocalyptic number.

It is an amenable number.

21442411301 is a deficient number, since it is larger than the sum of its proper divisors (88972903).

21442411301 is an equidigital number, since it uses as much as digits as its factorization.

21442411301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88972902.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 21442411301 its reverse (10311424412), we get a palindrome (31753835713).

The spelling of 21442411301 in words is "twenty-one billion, four hundred forty-two million, four hundred eleven thousand, three hundred one".