211222012200222 has 16 divisors (see below), whose sum is σ = 444677920421760. Its totient is φ = 66701688063192.

The previous prime is 211222012200217. The next prime is 211222012200253. The reversal of 211222012200222 is 222002210222112.

It is a super-2 number, since 2×211222012200222² (a number of 29 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 926412334098 + ... + 926412334325.

It is an arithmetic number, because the mean of its divisors is an integer number (27792370026360).

Almost surely, 2^{211222012200222} is an apocalyptic number.

211222012200222 is an abundant number, since it is smaller than the sum of its proper divisors (233455908221538).

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

211222012200222 is a wasteful number, since it uses less digits than its factorization.

211222012200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852824668447.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 211222012200222 its reverse (222002210222112), we get a palindrome (433224222422334).

The spelling of 211222012200222 in words is "two hundred eleven trillion, two hundred twenty-two billion, twelve million, two hundred thousand, two hundred twenty-two".