222102222011 has 4 divisors (see below), whose sum is σ = 222104033592. Its totient is φ = 222100410432.

The previous prime is 222102221987. The next prime is 222102222031. The reversal of 222102222011 is 110222201222.

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 222102222011 - 2²⁶ = 222035113147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222102222031) 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 3 ways as a sum of consecutive naturals, for example, 707405 + ... + 971918.

It is an arithmetic number, because the mean of its divisors is an integer number (55526008398).

Almost surely, 2^222102222011 is an apocalyptic number.

222102222011 is a deficient number, since it is larger than the sum of its proper divisors (1811581).

222102222011 is a wasteful number, since it uses less digits than its factorization.

222102222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811580.

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

Adding to 222102222011 its reverse (110222201222), we get a palindrome (332324423233).

The spelling of 222102222011 in words is "two hundred twenty-two billion, one hundred two million, two hundred twenty-two thousand, eleven".