240241211211 has 4 divisors (see below), whose sum is σ = 320321614952. Its totient is φ = 160160807472.

The previous prime is 240241211207. The next prime is 240241211227. The reversal of 240241211211 is 112112142042.

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

It is not a de Polignac number, because 240241211211 - 2² = 240241211207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240241211261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40040201866 + ... + 40040201871.

It is an arithmetic number, because the mean of its divisors is an integer number (80080403738).

Almost surely, 2^240241211211 is an apocalyptic number.

240241211211 is a deficient number, since it is larger than the sum of its proper divisors (80080403741).

240241211211 is an equidigital number, since it uses as much as digits as its factorization.

240241211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80080403740.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 240241211211 its reverse (112112142042), we get a palindrome (352353353253).

The spelling of 240241211211 in words is "two hundred forty billion, two hundred forty-one million, two hundred eleven thousand, two hundred eleven".