211011011011212 has 12 divisors (see below), whose sum is σ = 492359025692856. Its totient is φ = 70337003670400.

The previous prime is 211011011011189. The next prime is 211011011011223. The reversal of 211011011011212 is 212110110110112.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 211011011011191 and 211011011011200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8792125458789 + ... + 8792125458812.

It is an arithmetic number, because the mean of its divisors is an integer number (41029918807738).

Almost surely, 2^{211011011011212} is an apocalyptic number.

It is an amenable number.

211011011011212 is an abundant number, since it is smaller than the sum of its proper divisors (281348014681644).

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

211011011011212 is a wasteful number, since it uses less digits than its factorization.

211011011011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17584250917608 (or 17584250917606 counting only the distinct ones).

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

Adding to 211011011011212 its reverse (212110110110112), we get a palindrome (423121121121324).

The spelling of 211011011011212 in words is "two hundred eleven trillion, eleven billion, eleven million, eleven thousand, two hundred twelve".