11112212210211 has 32 divisors (see below), whose sum is σ = 18839649899520. Its totient is φ = 6341289256512.

The previous prime is 11112212210191. The next prime is 11112212210213. The reversal of 11112212210211 is 11201221221111.

It is a happy number.

11112212210211 is a `hidden beast` number, since 1 + 1 + 11 + 221 + 221 + 0 + 211 = 666.

It is not a de Polignac number, because 11112212210211 - 2⁷ = 11112212210083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11112212210213) 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 31 ways as a sum of consecutive naturals, for example, 39425370 + ... + 39706223.

It is an arithmetic number, because the mean of its divisors is an integer number (588739059360).

Almost surely, 2^{11112212210211} is an apocalyptic number.

11112212210211 is a deficient number, since it is larger than the sum of its proper divisors (7727437689309).

11112212210211 is an equidigital number, since it uses as much as digits as its factorization.

11112212210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79132352 (or 79132346 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11112212210211 its reverse (11201221221111), we get a palindrome (22313433431322).

The spelling of 11112212210211 in words is "eleven trillion, one hundred twelve billion, two hundred twelve million, two hundred ten thousand, two hundred eleven".