211001111210112 has 64 divisors (see below), whose sum is σ = 572396631523200. Its totient is φ = 68837241949184.

The previous prime is 211001111210107. The next prime is 211001111210137. The reversal of 211001111210112 is 211012111100112.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×211001111210112² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211001111210091 and 211001111210100.

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, 5845535787 + ... + 5845571882.

It is an arithmetic number, because the mean of its divisors is an integer number (8943697367550).

Almost surely, 2^{211001111210112} is an apocalyptic number.

It is an amenable number.

211001111210112 is an abundant number, since it is smaller than the sum of its proper divisors (361395520313088).

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

211001111210112 is a wasteful number, since it uses less digits than its factorization.

211001111210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11691107733 (or 11691107721 counting only the distinct ones).

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

Adding to 211001111210112 its reverse (211012111100112), we get a palindrome (422013222310224).

The spelling of 211001111210112 in words is "two hundred eleven trillion, one billion, one hundred eleven million, two hundred ten thousand, one hundred twelve".