22102200200221 has 4 divisors (see below), whose sum is σ = 22102597327552. Its totient is φ = 22101803072892.

The previous prime is 22102200200219. The next prime is 22102200200281. The reversal of 22102200200221 is 12200200220122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22102200200221 - 2¹ = 22102200200219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22102200200195 and 22102200200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102200200281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198480171 + ... + 198591496.

It is an arithmetic number, because the mean of its divisors is an integer number (5525649331888).

Almost surely, 2^{22102200200221} is an apocalyptic number.

It is an amenable number.

22102200200221 is a deficient number, since it is larger than the sum of its proper divisors (397127331).

22102200200221 is an equidigital number, since it uses as much as digits as its factorization.

22102200200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397127330.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22102200200221 its reverse (12200200220122), we get a palindrome (34302400420343).

The spelling of 22102200200221 in words is "twenty-two trillion, one hundred two billion, two hundred million, two hundred thousand, two hundred twenty-one".