211222022020222 has 4 divisors (see below), whose sum is σ = 316833033030336. Its totient is φ = 105611011010110.

The previous prime is 211222022020187. The next prime is 211222022020237. The reversal of 211222022020222 is 222020220222112.

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

It is a super-2 number, since 2×211222022020222² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 211222022020193 and 211222022020202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52805505505054 + ... + 52805505505057.

It is an arithmetic number, because the mean of its divisors is an integer number (79208258257584).

Almost surely, 2^{211222022020222} is an apocalyptic number.

211222022020222 is a deficient number, since it is larger than the sum of its proper divisors (105611011010114).

211222022020222 is a wasteful number, since it uses less digits than its factorization.

211222022020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105611011010113.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 211222022020222 its reverse (222020220222112), we get a palindrome (433242242242334).

The spelling of 211222022020222 in words is "two hundred eleven trillion, two hundred twenty-two billion, twenty-two million, twenty thousand, two hundred twenty-two".