22112011221211 has 8 divisors (see below), whose sum is σ = 22874586789600. Its totient is φ = 21349441814400.

The previous prime is 22112011221169. The next prime is 22112011221229. The reversal of 22112011221211 is 11212211021122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22112011221211 - 2¹¹ = 22112011219163 is a prime.

It is a super-2 number, since 2×22112011221211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22112011221511) 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 7 ways as a sum of consecutive naturals, for example, 6466186 + ... + 9275536.

It is an arithmetic number, because the mean of its divisors is an integer number (2859323348700).

Almost surely, 2^{22112011221211} is an apocalyptic number.

22112011221211 is a deficient number, since it is larger than the sum of its proper divisors (762575568389).

22112011221211 is a wasteful number, since it uses less digits than its factorization.

22112011221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080789.

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

Adding to 22112011221211 its reverse (11212211021122), we get a palindrome (33324222242333).

The spelling of 22112011221211 in words is "twenty-two trillion, one hundred twelve billion, eleven million, two hundred twenty-one thousand, two hundred eleven".