211433110405042 has 32 divisors (see below), whose sum is σ = 331764000480000. Its totient is φ = 100868132141568.

The previous prime is 211433110404983. The next prime is 211433110405093. The reversal of 211433110405042 is 240504011334112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211433110404995 and 211433110405013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92919334 + ... + 95167582.

It is an arithmetic number, because the mean of its divisors is an integer number (10367625015000).

Almost surely, 2^{211433110405042} is an apocalyptic number.

211433110405042 is a deficient number, since it is larger than the sum of its proper divisors (120330890074958).

211433110405042 is a wasteful number, since it uses less digits than its factorization.

211433110405042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253370.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 211433110405042 its reverse (240504011334112), we get a palindrome (451937121739154).

The spelling of 211433110405042 in words is "two hundred eleven trillion, four hundred thirty-three billion, one hundred ten million, four hundred five thousand, forty-two".