12122101110 has 64 divisors (see below), whose sum is σ = 33268257792. Its totient is φ = 2769177216.

The previous prime is 12122101063. The next prime is 12122101139. The reversal of 12122101110 is 1110122121.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372244 + ... + 403496.

It is an arithmetic number, because the mean of its divisors is an integer number (519816528).

Almost surely, 2^12122101110 is an apocalyptic number.

12122101110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122101110 is an abundant number, since it is smaller than the sum of its proper divisors (21146156682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122101110 is a wasteful number, since it uses less digits than its factorization.

12122101110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33117.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12122101110 its reverse (1110122121), we get a palindrome (13232223231).

The spelling of 12122101110 in words is "twelve billion, one hundred twenty-two million, one hundred one thousand, one hundred ten".