12110120012011 has 4 divisors (see below), whose sum is σ = 13840137156592. Its totient is φ = 10380102867432.

The previous prime is 12110120011993. The next prime is 12110120012033. The reversal of 12110120012011 is 11021002101121.

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 12110120012011 - 2⁴¹ = 9911096756459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110120011982 and 12110120012000.

It is not an unprimeable number, because it can be changed into a prime (12110120016011) 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, 865008572280 + ... + 865008572293.

It is an arithmetic number, because the mean of its divisors is an integer number (3460034289148).

Almost surely, 2^{12110120012011} is an apocalyptic number.

12110120012011 is a deficient number, since it is larger than the sum of its proper divisors (1730017144581).

12110120012011 is an equidigital number, since it uses as much as digits as its factorization.

12110120012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730017144580.

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

Adding to 12110120012011 its reverse (11021002101121), we get a palindrome (23131122113132).

The spelling of 12110120012011 in words is "twelve trillion, one hundred ten billion, one hundred twenty million, twelve thousand, eleven".