12110122323211 has 4 divisors (see below), whose sum is σ = 13211042534424. Its totient is φ = 11009202112000.

The previous prime is 12110122323209. The next prime is 12110122323253. The reversal of 12110122323211 is 11232322101121.

It is a happy number.

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 12110122323211 - 2¹ = 12110122323209 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110122323281) by changing a digit.

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, 550460105590 + ... + 550460105611.

It is an arithmetic number, because the mean of its divisors is an integer number (3302760633606).

Almost surely, 2^{12110122323211} is an apocalyptic number.

12110122323211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12110122323211 is a deficient number, since it is larger than the sum of its proper divisors (1100920211213).

12110122323211 is a wasteful number, since it uses less digits than its factorization.

12110122323211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100920211212.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12110122323211 its reverse (11232322101121), we get a palindrome (23342444424332).

The spelling of 12110122323211 in words is "twelve trillion, one hundred ten billion, one hundred twenty-two million, three hundred twenty-three thousand, two hundred eleven".