212011120112103 has 48 divisors (see below), whose sum is σ = 340494202374144. Its totient is φ = 126237257835840.

The previous prime is 212011120112093. The next prime is 212011120112111. The reversal of 212011120112103 is 301211021110212.

It is a happy number.

It is not a de Polignac number, because 212011120112103 - 2³⁴ = 211993940242919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011120112203) 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 47 ways as a sum of consecutive naturals, for example, 15196900 + ... + 25592342.

It is an arithmetic number, because the mean of its divisors is an integer number (7093629216128).

Almost surely, 2^{212011120112103} is an apocalyptic number.

212011120112103 is a deficient number, since it is larger than the sum of its proper divisors (128483082262041).

212011120112103 is a wasteful number, since it uses less digits than its factorization.

212011120112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10401116 (or 10401113 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 212011120112103 its reverse (301211021110212), we get a palindrome (513222141222315).

The spelling of 212011120112103 in words is "two hundred twelve trillion, eleven billion, one hundred twenty million, one hundred twelve thousand, one hundred three".