12221101101112 has 16 divisors (see below), whose sum is σ = 22921600095360. Its totient is φ = 6108674409024.

The previous prime is 12221101101043. The next prime is 12221101101169. The reversal of 12221101101112 is 21110110112221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234490008 + ... + 234542119.

It is an arithmetic number, because the mean of its divisors is an integer number (1432600005960).

Almost surely, 2^{12221101101112} is an apocalyptic number.

It is an amenable number.

12221101101112 is a deficient number, since it is larger than the sum of its proper divisors (10700498994248).

12221101101112 is a wasteful number, since it uses less digits than its factorization.

12221101101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469035390 (or 469035386 counting only the distinct ones).

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

Adding to 12221101101112 its reverse (21110110112221), we get a palindrome (33331211213333).

The spelling of 12221101101112 in words is "twelve trillion, two hundred twenty-one billion, one hundred one million, one hundred one thousand, one hundred twelve".