12000022221011 has 4 divisors (see below), whose sum is σ = 13090933332024. Its totient is φ = 10909111110000.

The previous prime is 12000022220971. The next prime is 12000022221049. The reversal of 12000022221011 is 11012222000021.

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 12000022221011 - 2⁶ = 12000022220947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000022221311) 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, 545455555490 + ... + 545455555511.

It is an arithmetic number, because the mean of its divisors is an integer number (3272733333006).

Almost surely, 2^{12000022221011} is an apocalyptic number.

12000022221011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12000022221011 is a deficient number, since it is larger than the sum of its proper divisors (1090911111013).

12000022221011 is a wasteful number, since it uses less digits than its factorization.

12000022221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090911111012.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12000022221011 its reverse (11012222000021), we get a palindrome (23012244221032).

The spelling of 12000022221011 in words is "twelve trillion, twenty-two million, two hundred twenty-one thousand, eleven".