1122201220211 has 8 divisors (see below), whose sum is σ = 1192502639520. Its totient is φ = 1052376421248.

The previous prime is 1122201220199. The next prime is 1122201220247. The reversal of 1122201220211 is 1120221022211.

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 1122201220211 - 2²² = 1122197025907 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 1122201220211.

It is not an unprimeable number, because it can be changed into a prime (1122201220111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119150231 + ... + 119159648.

It is an arithmetic number, because the mean of its divisors is an integer number (149062829940).

Almost surely, 2^{1122201220211} is an apocalyptic number.

1122201220211 is a deficient number, since it is larger than the sum of its proper divisors (70301419309).

1122201220211 is a wasteful number, since it uses less digits than its factorization.

1122201220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238310173.

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

Adding to 1122201220211 its reverse (1120221022211), we get a palindrome (2242422242422).

The spelling of 1122201220211 in words is "one trillion, one hundred twenty-two billion, two hundred one million, two hundred twenty thousand, two hundred eleven".