222201222011 has 8 divisors (see below), whose sum is σ = 227658476880. Its totient is φ = 216790810912.

The previous prime is 222201221969. The next prime is 222201222017. The reversal of 222201222011 is 110222102222.

It is a happy number.

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 222201222011 - 2¹⁸ = 222200959867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222201222017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11701340 + ... + 11720313.

It is an arithmetic number, because the mean of its divisors is an integer number (28457309610).

Almost surely, 2^222201222011 is an apocalyptic number.

222201222011 is a deficient number, since it is larger than the sum of its proper divisors (5457254869).

222201222011 is a wasteful number, since it uses less digits than its factorization.

222201222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23421885.

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

Adding to 222201222011 its reverse (110222102222), we get a palindrome (332423324233).

The spelling of 222201222011 in words is "two hundred twenty-two billion, two hundred one million, two hundred twenty-two thousand, eleven".