11122111222 has 8 divisors (see below), whose sum is σ = 16894346400. Its totient is φ = 5490662424.

The previous prime is 11122111183. The next prime is 11122111241. The reversal of 11122111222 is 22211122111.

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

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11122111196 and 11122111205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35196397 + ... + 35196712.

It is an arithmetic number, because the mean of its divisors is an integer number (2111793300).

Almost surely, 2^11122111222 is an apocalyptic number.

11122111222 is a deficient number, since it is larger than the sum of its proper divisors (5772235178).

11122111222 is an equidigital number, since it uses as much as digits as its factorization.

11122111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70393190.

The product of its digits is 32, while the sum is 16.

Adding to 11122111222 its reverse (22211122111), we get a palindrome (33333233333).

The spelling of 11122111222 in words is "eleven billion, one hundred twenty-two million, one hundred eleven thousand, two hundred twenty-two".