222102111111 has 8 divisors (see below), whose sum is σ = 296138793840. Its totient is φ = 148066751232.

The previous prime is 222102111107. The next prime is 222102111113. The reversal of 222102111111 is 111111201222.

It is a happy number.

222102111111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 222102111111 - 2² = 222102111107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222102111113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168855 + ... + 687543.

It is an arithmetic number, because the mean of its divisors is an integer number (37017349230).

Almost surely, 2^222102111111 is an apocalyptic number.

222102111111 is a deficient number, since it is larger than the sum of its proper divisors (74036682729).

222102111111 is a wasteful number, since it uses less digits than its factorization.

222102111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661425.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 222102111111 its reverse (111111201222), we get a palindrome (333213312333).

The spelling of 222102111111 in words is "two hundred twenty-two billion, one hundred two million, one hundred eleven thousand, one hundred eleven".