112222211211 has 72 divisors (see below), whose sum is σ = 192869545680. Its totient is φ = 64433128320.

The previous prime is 112222211207. The next prime is 112222211221. The reversal of 112222211211 is 112112222211.

112222211211 is a `hidden beast` number, since 11 + 222 + 221 + 1 + 211 = 666.

It is not a de Polignac number, because 112222211211 - 2² = 112222211207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112222211221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1131811 + ... + 1226963.

It is an arithmetic number, because the mean of its divisors is an integer number (2678743690).

Almost surely, 2^112222211211 is an apocalyptic number.

112222211211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112222211211 is a deficient number, since it is larger than the sum of its proper divisors (80647334469).

112222211211 is a wasteful number, since it uses less digits than its factorization.

112222211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95222 (or 95186 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

Adding to 112222211211 its reverse (112112222211), we get a palindrome (224334433422).

The spelling of 112222211211 in words is "one hundred twelve billion, two hundred twenty-two million, two hundred eleven thousand, two hundred eleven".