212201100211112 has 8 divisors (see below), whose sum is σ = 397877062895850. Its totient is φ = 106100550105552.

The previous prime is 212201100211103. The next prime is 212201100211129. The reversal of 212201100211112 is 211112001102212.

It can be written as a sum of positive squares in only one way, i.e., 211390837389796 + 810262821316 = 14539286^2 + 900146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13262568763187 + ... + 13262568763202.

Almost surely, 2^{212201100211112} is an apocalyptic number.

It is an amenable number.

212201100211112 is a deficient number, since it is larger than the sum of its proper divisors (185675962684738).

212201100211112 is a wasteful number, since it uses less digits than its factorization.

212201100211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26525137526395 (or 26525137526391 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212201100211112 its reverse (211112001102212), we get a palindrome (423313101313324).

The spelling of 212201100211112 in words is "two hundred twelve trillion, two hundred one billion, one hundred million, two hundred eleven thousand, one hundred twelve".