22211011212211 has 16 divisors (see below), whose sum is σ = 22743068640768. Its totient is φ = 21684870345600.

The previous prime is 22211011212199. The next prime is 22211011212227. The reversal of 22211011212211 is 11221211011222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22211011212211 - 2⁹ = 22211011211699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22211011210211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202174066 + ... + 202283896.

It is an arithmetic number, because the mean of its divisors is an integer number (1421441790048).

Almost surely, 2^{22211011212211} is an apocalyptic number.

22211011212211 is a deficient number, since it is larger than the sum of its proper divisors (532057428557).

22211011212211 is a wasteful number, since it uses less digits than its factorization.

22211011212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136722.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22211011212211 its reverse (11221211011222), we get a palindrome (33432222223433).

The spelling of 22211011212211 in words is "twenty-two trillion, two hundred eleven billion, eleven million, two hundred twelve thousand, two hundred eleven".