222102221011 has 4 divisors (see below), whose sum is σ = 242293332024. Its totient is φ = 201911110000.

The previous prime is 222102221009. The next prime is 222102221021. The reversal of 222102221011 is 110122201222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222102221011 - 2¹ = 222102221009 is a prime.

It is a super-3 number, since 3×222102221011³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222102221021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10095555490 + ... + 10095555511.

It is an arithmetic number, because the mean of its divisors is an integer number (60573333006).

Almost surely, 2^222102221011 is an apocalyptic number.

222102221011 is a deficient number, since it is larger than the sum of its proper divisors (20191111013).

222102221011 is a wasteful number, since it uses less digits than its factorization.

222102221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20191111012.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222102221011 its reverse (110122201222), we get a palindrome (332224422233).

The spelling of 222102221011 in words is "two hundred twenty-two billion, one hundred two million, two hundred twenty-one thousand, eleven".