211141304042 has 8 divisors (see below), whose sum is σ = 318352951236. Its totient is φ = 105023653632.

The previous prime is 211141303999. The next prime is 211141304057. The reversal of 211141304042 is 240403141112.

It can be written as a sum of positive squares in 2 ways, for example, as 205699438681 + 5441865361 = 453541^2 + 73769^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 211141303999 and 211141304017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273498713 + ... + 273499484.

Almost surely, 2^211141304042 is an apocalyptic number.

211141304042 is a deficient number, since it is larger than the sum of its proper divisors (107211647194).

211141304042 is a wasteful number, since it uses less digits than its factorization.

211141304042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546998392.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 211141304042 its reverse (240403141112), we get a palindrome (451544445154).

The spelling of 211141304042 in words is "two hundred eleven billion, one hundred forty-one million, three hundred four thousand, forty-two".