222102102011221 has 8 divisors (see below), whose sum is σ = 222724703462400. Its totient is φ = 221480371942800.

The previous prime is 222102102011203. The next prime is 222102102011243. The reversal of 222102102011221 is 122110201201222.

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

It is a cyclic number.

It is not a de Polignac number, because 222102102011221 - 2²³ = 222102093622613 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 (222102102011281) 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, 217335205 + ... + 218354746.

It is an arithmetic number, because the mean of its divisors is an integer number (27840587932800).

Almost surely, 2^{222102102011221} is an apocalyptic number.

It is an amenable number.

222102102011221 is a deficient number, since it is larger than the sum of its proper divisors (622601451179).

222102102011221 is an equidigital number, since it uses as much as digits as its factorization.

222102102011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435691379.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222102102011221 its reverse (122110201201222), we get a palindrome (344212303212443).

The spelling of 222102102011221 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred two million, eleven thousand, two hundred twenty-one".