211011222212 has 48 divisors (see below), whose sum is σ = 446989777920. Its totient is φ = 85086630912.

The previous prime is 211011222211. The next prime is 211011222217. The reversal of 211011222212 is 212222110112.

211011222212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (211011222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1458413 + ... + 1596555.

It is an arithmetic number, because the mean of its divisors is an integer number (9312287040).

Almost surely, 2^211011222212 is an apocalyptic number.

It is an amenable number.

211011222212 is an abundant number, since it is smaller than the sum of its proper divisors (235978555708).

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

211011222212 is a wasteful number, since it uses less digits than its factorization.

211011222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141380 (or 141378 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211011222212 its reverse (212222110112), we get a palindrome (423233332324).

The spelling of 211011222212 in words is "two hundred eleven billion, eleven million, two hundred twenty-two thousand, two hundred twelve".