222200210012221 has 16 divisors (see below), whose sum is σ = 254240749800576. Its totient is φ = 190234189100736.

The previous prime is 222200210012089. The next prime is 222200210012233. The reversal of 222200210012221 is 122210012002222.

It is a cyclic number.

It is not a de Polignac number, because 222200210012221 - 2¹¹ = 222200210010173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222200210012021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20831715 + ... + 29637151.

It is an arithmetic number, because the mean of its divisors is an integer number (15890046862536).

Almost surely, 2^{222200210012221} is an apocalyptic number.

It is an amenable number.

222200210012221 is a deficient number, since it is larger than the sum of its proper divisors (32040539788355).

222200210012221 is a wasteful number, since it uses less digits than its factorization.

222200210012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8809668.

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

Adding to 222200210012221 its reverse (122210012002222), we get a palindrome (344410222014443).

The spelling of 222200210012221 in words is "two hundred twenty-two trillion, two hundred billion, two hundred ten million, twelve thousand, two hundred twenty-one".