111211122202222 has 8 divisors (see below), whose sum is σ = 190647638060976. Its totient is φ = 47661909515232.

The previous prime is 111211122202097. The next prime is 111211122202283. The reversal of 111211122202222 is 222202221112111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111211122202193 and 111211122202202.

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, 3971825792923 + ... + 3971825792950.

It is an arithmetic number, because the mean of its divisors is an integer number (23830954757622).

Almost surely, 2^{111211122202222} is an apocalyptic number.

111211122202222 is a deficient number, since it is larger than the sum of its proper divisors (79436515858754).

111211122202222 is an equidigital number, since it uses as much as digits as its factorization.

111211122202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7943651585882.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 111211122202222 its reverse (222202221112111), we get a palindrome (333413343314333).

The spelling of 111211122202222 in words is "one hundred eleven trillion, two hundred eleven billion, one hundred twenty-two million, two hundred two thousand, two hundred twenty-two".