12222210111 has 16 divisors (see below), whose sum is σ = 16740035424. Its totient is φ = 7926349824.

The previous prime is 12222210101. The next prime is 12222210113. The reversal of 12222210111 is 11101222221.

It is not a de Polignac number, because 12222210111 - 2⁵ = 12222210079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222210113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874071 + ... + 887943.

It is an arithmetic number, because the mean of its divisors is an integer number (1046252214).

Almost surely, 2^12222210111 is an apocalyptic number.

12222210111 is a deficient number, since it is larger than the sum of its proper divisors (4517825313).

12222210111 is a wasteful number, since it uses less digits than its factorization.

12222210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21850.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12222210111 its reverse (11101222221), we get a palindrome (23323432332).

The spelling of 12222210111 in words is "twelve billion, two hundred twenty-two million, two hundred ten thousand, one hundred eleven".