21200201102222 has 16 divisors (see below), whose sum is σ = 32913537481440. Its totient is φ = 10229392468512.

The previous prime is 21200201102221. The next prime is 21200201102237. The reversal of 21200201102222 is 22220110200212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 21200201102222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200201102221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92516258 + ... + 92745125.

It is an arithmetic number, because the mean of its divisors is an integer number (2057096092590).

Almost surely, 2^{21200201102222} is an apocalyptic number.

21200201102222 is a deficient number, since it is larger than the sum of its proper divisors (11713336379218).

21200201102222 is a wasteful number, since it uses less digits than its factorization.

21200201102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185263387.

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

Adding to 21200201102222 its reverse (22220110200212), we get a palindrome (43420311302434).

The spelling of 21200201102222 in words is "twenty-one trillion, two hundred billion, two hundred one million, one hundred two thousand, two hundred twenty-two".