11112220222222 has 8 divisors (see below), whose sum is σ = 19049520380976. Its totient is φ = 4762380095232.

The previous prime is 11112220222193. The next prime is 11112220222253. The reversal of 11112220222222 is 22222202221111.

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 = 11112220222193 and 11112220222202.

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, 396865007923 + ... + 396865007950.

It is an arithmetic number, because the mean of its divisors is an integer number (2381190047622).

Almost surely, 2^{11112220222222} is an apocalyptic number.

11112220222222 is a deficient number, since it is larger than the sum of its proper divisors (7937300158754).

11112220222222 is an equidigital number, since it uses as much as digits as its factorization.

11112220222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793730015882.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11112220222222 its reverse (22222202221111), we get a palindrome (33334422443333).

The spelling of 11112220222222 in words is "eleven trillion, one hundred twelve billion, two hundred twenty million, two hundred twenty-two thousand, two hundred twenty-two".