212011100221112 has 32 divisors (see below), whose sum is σ = 397991349148800. Its totient is φ = 105880129689600.

The previous prime is 212011100221061. The next prime is 212011100221117. The reversal of 212011100221112 is 211122001110212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011100221117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26864537 + ... + 33848567.

It is an arithmetic number, because the mean of its divisors is an integer number (12437229660900).

Almost surely, 2^{212011100221112} is an apocalyptic number.

It is an amenable number.

212011100221112 is a deficient number, since it is larger than the sum of its proper divisors (185980248927688).

212011100221112 is a wasteful number, since it uses less digits than its factorization.

212011100221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6988527 (or 6988523 counting only the distinct ones).

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

Adding to 212011100221112 its reverse (211122001110212), we get a palindrome (423133101331324).

It can be divided in two parts, 212011100 and 221112, that added together give a palindrome (212232212).

The spelling of 212011100221112 in words is "two hundred twelve trillion, eleven billion, one hundred million, two hundred twenty-one thousand, one hundred twelve".