241415320021 has 4 divisors (see below), whose sum is σ = 241671872844. Its totient is φ = 241158767200.

The previous prime is 241415319991. The next prime is 241415320031. The reversal of 241415320021 is 120023514142.

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 139008919921 + 102406400100 = 372839^2 + 320010^2 .

It is a cyclic number.

It is not a de Polignac number, because 241415320021 - 2²³ = 241406931413 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 (241415320031) 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, 128275000 + ... + 128276881.

It is an arithmetic number, because the mean of its divisors is an integer number (60417968211).

Almost surely, 2^241415320021 is an apocalyptic number.

It is an amenable number.

241415320021 is a deficient number, since it is larger than the sum of its proper divisors (256552823).

241415320021 is an equidigital number, since it uses as much as digits as its factorization.

241415320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256552822.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 241415320021 its reverse (120023514142), we get a palindrome (361438834163).

The spelling of 241415320021 in words is "two hundred forty-one billion, four hundred fifteen million, three hundred twenty thousand, twenty-one".