1111211110222 has 8 divisors (see below), whose sum is σ = 1669345979400. Its totient is φ = 554762450424.

The previous prime is 1111211110199. The next prime is 1111211110231. The reversal of 1111211110222 is 2220111121111.

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 = 1111211110196 and 1111211110205.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 421550697 + ... + 421553332.

It is an arithmetic number, because the mean of its divisors is an integer number (208668247425).

Almost surely, 2^{1111211110222} is an apocalyptic number.

1111211110222 is a deficient number, since it is larger than the sum of its proper divisors (558134869178).

1111211110222 is an equidigital number, since it uses as much as digits as its factorization.

1111211110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843104690.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 1111211110222 its reverse (2220111121111), we get a palindrome (3331322231333).

The spelling of 1111211110222 in words is "one trillion, one hundred eleven billion, two hundred eleven million, one hundred ten thousand, two hundred twenty-two".