241400140021 has 4 divisors (see below), whose sum is σ = 249187241344. Its totient is φ = 233613038700.

The previous prime is 241400139997. The next prime is 241400140031. The reversal of 241400140021 is 120041004142.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120041004142 = 2 ⋅60020502071.

It is a cyclic number.

It is not a de Polignac number, because 241400140021 - 2¹¹ = 241400137973 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 (241400140031) 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, 3893550615 + ... + 3893550676.

It is an arithmetic number, because the mean of its divisors is an integer number (62296810336).

Almost surely, 2^241400140021 is an apocalyptic number.

It is an amenable number.

241400140021 is a deficient number, since it is larger than the sum of its proper divisors (7787101323).

241400140021 is an equidigital number, since it uses as much as digits as its factorization.

241400140021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7787101322.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 241400140021 its reverse (120041004142), we get a palindrome (361441144163).

The spelling of 241400140021 in words is "two hundred forty-one billion, four hundred million, one hundred forty thousand, twenty-one".