211222102001222 has 32 divisors (see below), whose sum is σ = 341259574057248. Its totient is φ = 97471514094336.

The previous prime is 211222102001219. The next prime is 211222102001231. The reversal of 211222102001222 is 222100201222112.

It is a super-2 number, since 2×211222102001222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211222102001194 and 211222102001203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7575286493 + ... + 7575314375.

It is an arithmetic number, because the mean of its divisors is an integer number (10664361689289).

Almost surely, 2^{211222102001222} is an apocalyptic number.

211222102001222 is a deficient number, since it is larger than the sum of its proper divisors (130037472056026).

211222102001222 is a wasteful number, since it uses less digits than its factorization.

211222102001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64104.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211222102001222 its reverse (222100201222112), we get a palindrome (433322303223334).

The spelling of 211222102001222 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred two million, one thousand, two hundred twenty-two".