212202222111011 has 32 divisors (see below), whose sum is σ = 232894965574656. Its totient is φ = 191747007648000.

The previous prime is 212202222110939. The next prime is 212202222111031. The reversal of 212202222111011 is 110111222202212.

It is a cyclic number.

It is not a de Polignac number, because 212202222111011 - 2¹⁰ = 212202222109987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212202222111031) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3220959791 + ... + 3221025671.

It is an arithmetic number, because the mean of its divisors is an integer number (7277967674208).

Almost surely, 2^{212202222111011} is an apocalyptic number.

212202222111011 is a deficient number, since it is larger than the sum of its proper divisors (20692743463645).

212202222111011 is a wasteful number, since it uses less digits than its factorization.

212202222111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68843.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212202222111011 its reverse (110111222202212), we get a palindrome (322313444313223).

The spelling of 212202222111011 in words is "two hundred twelve trillion, two hundred two billion, two hundred twenty-two million, one hundred eleven thousand, eleven".