211012222222 has 8 divisors (see below), whose sum is σ = 316522863936. Its totient is φ = 105504600912.

The previous prime is 211012222219. The next prime is 211012222279. The reversal of 211012222222 is 222222210112.

211012222222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

211012222222 is a modest number, since divided by 222222 gives 211012 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 211012222222.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 571518 + ... + 865249.

It is an arithmetic number, because the mean of its divisors is an integer number (39565357992).

Almost surely, 2^211012222222 is an apocalyptic number.

211012222222 is a deficient number, since it is larger than the sum of its proper divisors (105510641714).

211012222222 is a wasteful number, since it uses less digits than its factorization.

211012222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510202.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 211012222222 its reverse (222222210112), we get a palindrome (433234432334).

The spelling of 211012222222 in words is "two hundred eleven billion, twelve million, two hundred twenty-two thousand, two hundred twenty-two".