222222102011 has 12 divisors (see below), whose sum is σ = 278388128592. Its totient is φ = 175824080208.

The previous prime is 222222101989. The next prime is 222222102013. The reversal of 222222102011 is 110201222222.

It is a happy number.

It is not a de Polignac number, because 222222102011 - 2¹⁸ = 222221839867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222222102013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174428015 + ... + 174429288.

It is an arithmetic number, because the mean of its divisors is an integer number (23199010716).

Almost surely, 2^222222102011 is an apocalyptic number.

222222102011 is a deficient number, since it is larger than the sum of its proper divisors (56166026581).

222222102011 is a wasteful number, since it uses less digits than its factorization.

222222102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348857330 (or 348857323 counting only the distinct ones).

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

Adding to 222222102011 its reverse (110201222222), we get a palindrome (332423324233).

The spelling of 222222102011 in words is "two hundred twenty-two billion, two hundred twenty-two million, one hundred two thousand, eleven".