211313440242242 has 16 divisors (see below), whose sum is σ = 341353542805632. Its totient is φ = 97528976564880.

The previous prime is 211313440242241. The next prime is 211313440242251. The reversal of 211313440242242 is 242242044313112.

It is not an unprimeable number, because it can be changed into a prime (211313440242241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4022384 + ... + 20947707.

It is an arithmetic number, because the mean of its divisors is an integer number (21334596425352).

Almost surely, 2^{211313440242242} is an apocalyptic number.

211313440242242 is a deficient number, since it is larger than the sum of its proper divisors (130040102563390).

211313440242242 is a wasteful number, since it uses less digits than its factorization.

211313440242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25295593.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 211313440242242 its reverse (242242044313112), we get a palindrome (453555484555354).

The spelling of 211313440242242 in words is "two hundred eleven trillion, three hundred thirteen billion, four hundred forty million, two hundred forty-two thousand, two hundred forty-two".