212101010111112 has 64 divisors (see below), whose sum is σ = 563895570412800. Its totient is φ = 66250919132160.

The previous prime is 212101010111093. The next prime is 212101010111173. The reversal of 212101010111112 is 211111010101212.

212101010111112 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212101010111091 and 212101010111100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1134962064 + ... + 1135148927.

It is an arithmetic number, because the mean of its divisors is an integer number (8810868287700).

Almost surely, 2^{212101010111112} is an apocalyptic number.

It is an amenable number.

212101010111112 is an abundant number, since it is smaller than the sum of its proper divisors (351794560301688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212101010111112 is a wasteful number, since it uses less digits than its factorization.

212101010111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270111246 (or 2270111242 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 212101010111112 its reverse (211111010101212), we get a palindrome (423212020212324).

The spelling of 212101010111112 in words is "two hundred twelve trillion, one hundred one billion, ten million, one hundred eleven thousand, one hundred twelve".