12111011110112 has 12 divisors (see below), whose sum is σ = 23843553123096. Its totient is φ = 6055505555040.

The previous prime is 12111011110057. The next prime is 12111011110123. The reversal of 12111011110112 is 21101111011121.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 189234548564 + ... + 189234548627.

It is an arithmetic number, because the mean of its divisors is an integer number (1986962760258).

Almost surely, 2^{12111011110112} is an apocalyptic number.

It is an amenable number.

12111011110112 is a deficient number, since it is larger than the sum of its proper divisors (11732542012984).

12111011110112 is an equidigital number, since it uses as much as digits as its factorization.

12111011110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378469097201 (or 378469097193 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 12111011110112 its reverse (21101111011121), we get a palindrome (33212122121233).

The spelling of 12111011110112 in words is "twelve trillion, one hundred eleven billion, eleven million, one hundred ten thousand, one hundred twelve".