211222211200222 has 4 divisors (see below), whose sum is σ = 316833316800336. Its totient is φ = 105611105600110.

The previous prime is 211222211200109. The next prime is 211222211200279. The reversal of 211222211200222 is 222002112222112.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×211222211200222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211222211200193 and 211222211200202.

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 as a sum of consecutive naturals, namely, 52805552800054 + ... + 52805552800057.

It is an arithmetic number, because the mean of its divisors is an integer number (79208329200084).

Almost surely, 2^{211222211200222} is an apocalyptic number.

211222211200222 is a deficient number, since it is larger than the sum of its proper divisors (105611105600114).

211222211200222 is a wasteful number, since it uses less digits than its factorization.

211222211200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105611105600113.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 211222211200222 its reverse (222002112222112), we get a palindrome (433224323422334).

The spelling of 211222211200222 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred eleven million, two hundred thousand, two hundred twenty-two".