222111303311 has 32 divisors (see below), whose sum is σ = 247819176000. Its totient is φ = 198111578112.

The previous prime is 222111303307. The next prime is 222111303329. The reversal of 222111303311 is 113303111222.

It is a happy number.

It is not a de Polignac number, because 222111303311 - 2² = 222111303307 is a prime.

It is a super-2 number, since 2×222111303311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222111303361) 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 31 ways as a sum of consecutive naturals, for example, 5730545 + ... + 5769173.

It is an arithmetic number, because the mean of its divisors is an integer number (7744349250).

Almost surely, 2^222111303311 is an apocalyptic number.

222111303311 is a deficient number, since it is larger than the sum of its proper divisors (25707872689).

222111303311 is a wasteful number, since it uses less digits than its factorization.

222111303311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38891.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 222111303311 its reverse (113303111222), we get a palindrome (335414414533).

The spelling of 222111303311 in words is "two hundred twenty-two billion, one hundred eleven million, three hundred three thousand, three hundred eleven".