222211221011 has 8 divisors (see below), whose sum is σ = 239347533264. Its totient is φ = 205081071840.

The previous prime is 222211221007. The next prime is 222211221031. The reversal of 222211221011 is 110122112222.

222211221011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222211221011 - 2² = 222211221007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222211221031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465745 + ... + 1610226.

It is an arithmetic number, because the mean of its divisors is an integer number (29918441658).

Almost surely, 2^222211221011 is an apocalyptic number.

222211221011 is a deficient number, since it is larger than the sum of its proper divisors (17136312253).

222211221011 is a wasteful number, since it uses less digits than its factorization.

222211221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081541.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222211221011 its reverse (110122112222), we get a palindrome (332333333233).

The spelling of 222211221011 in words is "two hundred twenty-two billion, two hundred eleven million, two hundred twenty-one thousand, eleven".