20212222200011 has 4 divisors (see below), whose sum is σ = 20223309542592. Its totient is φ = 20201134857432.

The previous prime is 20212222199893. The next prime is 20212222200031. The reversal of 20212222200011 is 11000222221202.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20212222200011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212222200031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5543668556 + ... + 5543672201.

It is an arithmetic number, because the mean of its divisors is an integer number (5055827385648).

Almost surely, 2^{20212222200011} is an apocalyptic number.

20212222200011 is a deficient number, since it is larger than the sum of its proper divisors (11087342581).

20212222200011 is a wasteful number, since it uses less digits than its factorization.

20212222200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11087342580.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20212222200011 its reverse (11000222221202), we get a palindrome (31212444421213).

The spelling of 20212222200011 in words is "twenty trillion, two hundred twelve billion, two hundred twenty-two million, two hundred thousand, eleven".