241421423211421 has 4 divisors (see below), whose sum is σ = 241421492430844. Its totient is φ = 241421353992000.

The previous prime is 241421423211323. The next prime is 241421423211439. The reversal of 241421423211421 is 124112324124142.

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 125028849456900 + 116392573754521 = 11181630^2 + 10788539^2 .

It is a cyclic number.

It is not a de Polignac number, because 241421423211421 - 2²³ = 241421414822813 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 (241421423211491) 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, 29083980 + ... + 36451621.

It is an arithmetic number, because the mean of its divisors is an integer number (60355373107711).

Almost surely, 2^{241421423211421} is an apocalyptic number.

It is an amenable number.

241421423211421 is a deficient number, since it is larger than the sum of its proper divisors (69219423).

241421423211421 is an equidigital number, since it uses as much as digits as its factorization.

241421423211421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69219422.

The product of its digits is 24576, while the sum is 34.

Adding to 241421423211421 its reverse (124112324124142), we get a palindrome (365533747335563).

The spelling of 241421423211421 in words is "two hundred forty-one trillion, four hundred twenty-one billion, four hundred twenty-three million, two hundred eleven thousand, four hundred twenty-one".