12122211110 has 16 divisors (see below), whose sum is σ = 22031826336. Its totient is φ = 4801807488.

The previous prime is 12122211103. The next prime is 12122211137. The reversal of 12122211110 is 1111222121.

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 7 ways as a sum of consecutive naturals, for example, 5883539 + ... + 5885598.

It is an arithmetic number, because the mean of its divisors is an integer number (1376989146).

Almost surely, 2^12122211110 is an apocalyptic number.

12122211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122211110 is a deficient number, since it is larger than the sum of its proper divisors (9909615226).

12122211110 is a wasteful number, since it uses less digits than its factorization.

12122211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11769247.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12122211110 its reverse (1111222121), we get a palindrome (13233433231).

It can be divided in two parts, 121222111 and 10, that added together give a palindrome (121222121).

The spelling of 12122211110 in words is "twelve billion, one hundred twenty-two million, two hundred eleven thousand, one hundred ten".