211222000010222 has 4 divisors (see below), whose sum is σ = 316833000015336. Its totient is φ = 105611000005110.

The previous prime is 211222000010201. The next prime is 211222000010237. The reversal of 211222000010222 is 222010000222112.

It is a happy number.

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

It is a super-2 number, since 2×211222000010222² (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 211222000010222.

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 as a sum of consecutive naturals, namely, 52805500002554 + ... + 52805500002557.

It is an arithmetic number, because the mean of its divisors is an integer number (79208250003834).

Almost surely, 2^{211222000010222} is an apocalyptic number.

211222000010222 is a deficient number, since it is larger than the sum of its proper divisors (105611000005114).

211222000010222 is a wasteful number, since it uses less digits than its factorization.

211222000010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105611000005113.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 211222000010222 its reverse (222010000222112), we get a palindrome (433232000232334).

The spelling of 211222000010222 in words is "two hundred eleven trillion, two hundred twenty-two billion, ten thousand, two hundred twenty-two".