12122202111 has 16 divisors (see below), whose sum is σ = 16771772160. Its totient is φ = 7782344640.

The previous prime is 12122202091. The next prime is 12122202139. The reversal of 12122202111 is 11120222121.

It is not a de Polignac number, because 12122202111 - 2¹⁰ = 12122201087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122202151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652606 + ... + 670923.

It is an arithmetic number, because the mean of its divisors is an integer number (1048235760).

Almost surely, 2^12122202111 is an apocalyptic number.

12122202111 is a deficient number, since it is larger than the sum of its proper divisors (4649570049).

12122202111 is a wasteful number, since it uses less digits than its factorization.

12122202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323646.

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

Adding to 12122202111 its reverse (11120222121), we get a palindrome (23242424232).

The spelling of 12122202111 in words is "twelve billion, one hundred twenty-two million, two hundred two thousand, one hundred eleven".