222202200211221 has 8 divisors (see below), whose sum is σ = 296315526458464. Its totient is φ = 148111837052400.

The previous prime is 222202200211219. The next prime is 222202200211237. The reversal of 222202200211221 is 122112002202222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222202200211221 - 2¹ = 222202200211219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202200211241) 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, 5740749526 + ... + 5740788231.

It is an arithmetic number, because the mean of its divisors is an integer number (37039440807308).

Almost surely, 2^{222202200211221} is an apocalyptic number.

It is an amenable number.

222202200211221 is a deficient number, since it is larger than the sum of its proper divisors (74113326247243).

222202200211221 is a wasteful number, since it uses less digits than its factorization.

222202200211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11481544211.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222202200211221 its reverse (122112002202222), we get a palindrome (344314202413443).

The spelling of 222202200211221 in words is "two hundred twenty-two trillion, two hundred two billion, two hundred million, two hundred eleven thousand, two hundred twenty-one".