211020222100222 has 4 divisors (see below), whose sum is σ = 316530333150336. Its totient is φ = 105510111050110.

The previous prime is 211020222100199. The next prime is 211020222100253. The reversal of 211020222100222 is 222001222020112.

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

It is a super-2 number, since 2×211020222100222² (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 211020222100222.

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, 52755055525054 + ... + 52755055525057.

It is an arithmetic number, because the mean of its divisors is an integer number (79132583287584).

Almost surely, 2^{211020222100222} is an apocalyptic number.

211020222100222 is a deficient number, since it is larger than the sum of its proper divisors (105510111050114).

211020222100222 is a wasteful number, since it uses less digits than its factorization.

211020222100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105510111050113.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 211020222100222 its reverse (222001222020112), we get a palindrome (433021444120334).

The spelling of 211020222100222 in words is "two hundred eleven trillion, twenty billion, two hundred twenty-two million, one hundred thousand, two hundred twenty-two".