22211221001111 has 8 divisors (see below), whose sum is σ = 22262392035840. Its totient is φ = 22160052585432.

The previous prime is 22211221001107. The next prime is 22211221001197. The reversal of 22211221001111 is 11110012211222.

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 22211221001111 - 2² = 22211221001107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22211221001111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211221201111) 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, 16865246 + ... + 18134468.

It is an arithmetic number, because the mean of its divisors is an integer number (2782799004480).

Almost surely, 2^{22211221001111} is an apocalyptic number.

22211221001111 is a deficient number, since it is larger than the sum of its proper divisors (51171034729).

22211221001111 is a wasteful number, since it uses less digits than its factorization.

22211221001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309525.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22211221001111 its reverse (11110012211222), we get a palindrome (33321233212333).

The spelling of 22211221001111 in words is "twenty-two trillion, two hundred eleven billion, two hundred twenty-one million, one thousand, one hundred eleven".