111222202211 has 8 divisors (see below), whose sum is σ = 117782547840. Its totient is φ = 104663841408.

The previous prime is 111222202207. The next prime is 111222202243. The reversal of 111222202211 is 112202222111.

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

It is a cyclic number.

It is not a de Polignac number, because 111222202211 - 2² = 111222202207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111222202211.

It is not an unprimeable number, because it can be changed into a prime (111222202271) 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, 380051 + ... + 605708.

It is an arithmetic number, because the mean of its divisors is an integer number (14722818480).

Almost surely, 2^111222202211 is an apocalyptic number.

111222202211 is a deficient number, since it is larger than the sum of its proper divisors (6560345629).

111222202211 is an equidigital number, since it uses as much as digits as its factorization.

111222202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992413.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111222202211 its reverse (112202222111), we get a palindrome (223424424322).

The spelling of 111222202211 in words is "one hundred eleven billion, two hundred twenty-two million, two hundred two thousand, two hundred eleven".