12022211111011 has 4 divisors (see below), whose sum is σ = 12729399999912. Its totient is φ = 11315022222112.

The previous prime is 12022211110997. The next prime is 12022211111017. The reversal of 12022211111011 is 11011111222021.

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 12022211111011 - 2⁵ = 12022211110979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022211111017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353594444425 + ... + 353594444458.

It is an arithmetic number, because the mean of its divisors is an integer number (3182349999978).

Almost surely, 2^{12022211111011} is an apocalyptic number.

12022211111011 is a deficient number, since it is larger than the sum of its proper divisors (707188888901).

12022211111011 is an equidigital number, since it uses as much as digits as its factorization.

12022211111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707188888900.

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

Adding to 12022211111011 its reverse (11011111222021), we get a palindrome (23033322333032).

The spelling of 12022211111011 in words is "twelve trillion, twenty-two billion, two hundred eleven million, one hundred eleven thousand, eleven".