222123112311 has 8 divisors (see below), whose sum is σ = 300584510464. Its totient is φ = 145871894520.

The previous prime is 222123112303. The next prime is 222123112331. The reversal of 222123112311 is 113211321222.

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

It is not a de Polignac number, because 222123112311 - 2³ = 222123112303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222123112331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552544855 + ... + 552545256.

It is an arithmetic number, because the mean of its divisors is an integer number (37573063808).

Almost surely, 2^222123112311 is an apocalyptic number.

222123112311 is a deficient number, since it is larger than the sum of its proper divisors (78461398153).

222123112311 is a wasteful number, since it uses less digits than its factorization.

222123112311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105090181.

The product of its digits is 288, while the sum is 21.

Adding to 222123112311 its reverse (113211321222), we get a palindrome (335334433533).

The spelling of 222123112311 in words is "two hundred twenty-two billion, one hundred twenty-three million, one hundred twelve thousand, three hundred eleven".