12211011112 has 16 divisors (see below), whose sum is σ = 23218120800. Its totient is φ = 6019512240.

The previous prime is 12211011103. The next prime is 12211011149. The reversal of 12211011112 is 21111011221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12211011092 and 12211011101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10748562 + ... + 10749697.

It is an arithmetic number, because the mean of its divisors is an integer number (1451132550).

Almost surely, 2^12211011112 is an apocalyptic number.

It is an amenable number.

12211011112 is a deficient number, since it is larger than the sum of its proper divisors (11007109688).

12211011112 is a wasteful number, since it uses less digits than its factorization.

12211011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21498336 (or 21498332 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12211011112 its reverse (21111011221), we get a palindrome (33322022333).

The spelling of 12211011112 in words is "twelve billion, two hundred eleven million, eleven thousand, one hundred twelve".