12122101110111 has 16 divisors (see below), whose sum is σ = 17665604656128. Its totient is φ = 7360668604800.

The previous prime is 12122101110083. The next prime is 12122101110113. The reversal of 12122101110111 is 11101110122121.

It is not a de Polignac number, because 12122101110111 - 2⁵ = 12122101110079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122101110113) 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, 3833679985 + ... + 3833683146.

It is an arithmetic number, because the mean of its divisors is an integer number (1104100291008).

Almost surely, 2^{12122101110111} is an apocalyptic number.

12122101110111 is a deficient number, since it is larger than the sum of its proper divisors (5543503546017).

12122101110111 is a wasteful number, since it uses less digits than its factorization.

12122101110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7667363182.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12122101110111 its reverse (11101110122121), we get a palindrome (23223211232232).

The spelling of 12122101110111 in words is "twelve trillion, one hundred twenty-two billion, one hundred one million, one hundred ten thousand, one hundred eleven".