12122110202111 has 24 divisors (see below), whose sum is σ = 15596398356000. Its totient is φ = 9174114899136.

The previous prime is 12122110202107. The next prime is 12122110202129. The reversal of 12122110202111 is 11120201122121.

It is not a de Polignac number, because 12122110202111 - 2² = 12122110202107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12122110202111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122110202131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125859236 + ... + 125955513.

It is an arithmetic number, because the mean of its divisors is an integer number (649849931500).

Almost surely, 2^{12122110202111} is an apocalyptic number.

12122110202111 is a deficient number, since it is larger than the sum of its proper divisors (3474288153889).

12122110202111 is a wasteful number, since it uses less digits than its factorization.

12122110202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251814815 (or 251814792 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12122110202111 its reverse (11120201122121), we get a palindrome (23242311324232).

The spelling of 12122110202111 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, two hundred two thousand, one hundred eleven".