211242342202 has 8 divisors (see below), whose sum is σ = 316898053812. Its totient is φ = 105609657600.

The previous prime is 211242342163. The next prime is 211242342211. The reversal of 211242342202 is 202243242112.

211242342202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 207098716561 + 4143625641 = 455081^2 + 64371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5733799 + ... + 5770522.

Almost surely, 2^211242342202 is an apocalyptic number.

211242342202 is a deficient number, since it is larger than the sum of its proper divisors (105655711610).

211242342202 is a wasteful number, since it uses less digits than its factorization.

211242342202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11513504.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 211242342202 its reverse (202243242112), we get a palindrome (413485584314).

The spelling of 211242342202 in words is "two hundred eleven billion, two hundred forty-two million, three hundred forty-two thousand, two hundred two".