212100221001112 has 32 divisors (see below), whose sum is σ = 397859479490880. Its totient is φ = 106004362141440.

The previous prime is 212100221001079. The next prime is 212100221001181. The reversal of 212100221001112 is 211100122001212.

212100221001112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861292033 + ... + 861538255.

It is an arithmetic number, because the mean of its divisors is an integer number (12433108734090).

Almost surely, 2^{212100221001112} is an apocalyptic number.

It is an amenable number.

212100221001112 is a deficient number, since it is larger than the sum of its proper divisors (185759258489768).

212100221001112 is a wasteful number, since it uses less digits than its factorization.

212100221001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292243 (or 292239 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212100221001112 its reverse (211100122001212), we get a palindrome (423200343002324).

The spelling of 212100221001112 in words is "two hundred twelve trillion, one hundred billion, two hundred twenty-one million, one thousand, one hundred twelve".