211201442234 has 4 divisors (see below), whose sum is σ = 316802163354. Its totient is φ = 105600721116.

The previous prime is 211201442203. The next prime is 211201442273. The reversal of 211201442234 is 432244102112.

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

It can be written as a sum of positive squares in only one way, i.e., 210951897025 + 249545209 = 459295^2 + 15797^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52800360557 + ... + 52800360560.

Almost surely, 2^211201442234 is an apocalyptic number.

211201442234 is a deficient number, since it is larger than the sum of its proper divisors (105600721120).

211201442234 is a wasteful number, since it uses less digits than its factorization.

211201442234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105600721119.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 211201442234 its reverse (432244102112), we get a palindrome (643445544346).

The spelling of 211201442234 in words is "two hundred eleven billion, two hundred one million, four hundred forty-two thousand, two hundred thirty-four".