211200112201222 has 4 divisors (see below), whose sum is σ = 316800168301836. Its totient is φ = 105600056100610.

The previous prime is 211200112201207. The next prime is 211200112201223. The reversal of 211200112201222 is 222102211002112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 211200112201222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211200112201223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52800028050304 + ... + 52800028050307.

It is an arithmetic number, because the mean of its divisors is an integer number (79200042075459).

Almost surely, 2^{211200112201222} is an apocalyptic number.

211200112201222 is a deficient number, since it is larger than the sum of its proper divisors (105600056100614).

211200112201222 is a wasteful number, since it uses less digits than its factorization.

211200112201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105600056100613.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211200112201222 its reverse (222102211002112), we get a palindrome (433302323203334).

The spelling of 211200112201222 in words is "two hundred eleven trillion, two hundred billion, one hundred twelve million, two hundred one thousand, two hundred twenty-two".