211100102021222 has 16 divisors (see below), whose sum is σ = 327727113907200. Its totient is φ = 101875698214920.

The previous prime is 211100102021167. The next prime is 211100102021239. The reversal of 211100102021222 is 222120201001112.

It is a self number, because there is not a number n which added to its sum of digits gives 211100102021222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4491850322 + ... + 4491897317.

It is an arithmetic number, because the mean of its divisors is an integer number (20482944619200).

Almost surely, 2^{211100102021222} is an apocalyptic number.

211100102021222 is a deficient number, since it is larger than the sum of its proper divisors (116627011885978).

211100102021222 is a wasteful number, since it uses less digits than its factorization.

211100102021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8983748051.

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

Adding to 211100102021222 its reverse (222120201001112), we get a palindrome (433220303022334).

The spelling of 211100102021222 in words is "two hundred eleven trillion, one hundred billion, one hundred two million, twenty-one thousand, two hundred twenty-two".