12110121112211 has 4 divisors (see below), whose sum is σ = 12110996830800. Its totient is φ = 12109245393624.

The previous prime is 12110121112207. The next prime is 12110121112223. The reversal of 12110121112211 is 11221112101121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12110121112211 - 2² = 12110121112207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12110121112211.

It is not an unprimeable number, because it can be changed into a prime (12110121142211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437838551 + ... + 437866208.

It is an arithmetic number, because the mean of its divisors is an integer number (3027749207700).

Almost surely, 2^{12110121112211} is an apocalyptic number.

12110121112211 is a deficient number, since it is larger than the sum of its proper divisors (875718589).

12110121112211 is an equidigital number, since it uses as much as digits as its factorization.

12110121112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875718588.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 12110121112211 its reverse (11221112101121), we get a palindrome (23331233213332).

The spelling of 12110121112211 in words is "twelve trillion, one hundred ten billion, one hundred twenty-one million, one hundred twelve thousand, two hundred eleven".