211134042002 has 16 divisors (see below), whose sum is σ = 343080812760. Its totient is φ = 97446478896.

The previous prime is 211134042001. The next prime is 211134042017. The reversal of 211134042002 is 200240431112.

It can be written as a sum of positive squares in 4 ways, for example, as 242767561 + 210891274441 = 15581^2 + 459229^2 .

It is not an unprimeable number, because it can be changed into a prime (211134042001) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 24020873 + ... + 24029660.

Almost surely, 2^211134042002 is an apocalyptic number.

211134042002 is a deficient number, since it is larger than the sum of its proper divisors (131946770758).

211134042002 is an equidigital number, since it uses as much as digits as its factorization.

211134042002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48050574 (or 48050548 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 211134042002 its reverse (200240431112), we get a palindrome (411374473114).

The spelling of 211134042002 in words is "two hundred eleven billion, one hundred thirty-four million, forty-two thousand, two".