221201000102222 has 32 divisors (see below), whose sum is σ = 386703037785600. Its totient is φ = 92934049248288.

The previous prime is 221201000102221. The next prime is 221201000102227. The reversal of 221201000102222 is 222201000102122.

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 221201000102222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221201000102221) 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, 372680933 + ... + 373274000.

It is an arithmetic number, because the mean of its divisors is an integer number (12084469930800).

Almost surely, 2^{221201000102222} is an apocalyptic number.

221201000102222 is a deficient number, since it is larger than the sum of its proper divisors (165502037683378).

221201000102222 is a wasteful number, since it uses less digits than its factorization.

221201000102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745955360.

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

Adding to 221201000102222 its reverse (222201000102122), we get a palindrome (443402000204344).

The spelling of 221201000102222 in words is "two hundred twenty-one trillion, two hundred one billion, one hundred two thousand, two hundred twenty-two".