211110211021222 has 16 divisors (see below), whose sum is σ = 316976127203232. Its totient is φ = 105451510046400.

The previous prime is 211110211021219. The next prime is 211110211021273. The reversal of 211110211021222 is 222120112011112.

It is a happy number.

It is a super-2 number, since 2×211110211021222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211110211021222.

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, 50495472 + ... + 54516172.

It is an arithmetic number, because the mean of its divisors is an integer number (19811007950202).

Almost surely, 2^{211110211021222} is an apocalyptic number.

211110211021222 is a deficient number, since it is larger than the sum of its proper divisors (105865916182010).

211110211021222 is a wasteful number, since it uses less digits than its factorization.

211110211021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046463.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211110211021222 its reverse (222120112011112), we get a palindrome (433230323032334).

The spelling of 211110211021222 in words is "two hundred eleven trillion, one hundred ten billion, two hundred eleven million, twenty-one thousand, two hundred twenty-two".