111222123102211 has 32 divisors (see below), whose sum is σ = 125299824249600. Its totient is φ = 97848973918080.

The previous prime is 111222123102151. The next prime is 111222123102221. The reversal of 111222123102211 is 112201321222111.

It is not a de Polignac number, because 111222123102211 - 2¹¹ = 111222123100163 is a prime.

It is a super-3 number, since 3×111222123102211³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (111222123102221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1585703580 + ... + 1585773718.

It is an arithmetic number, because the mean of its divisors is an integer number (3915619507800).

Almost surely, 2^{111222123102211} is an apocalyptic number.

111222123102211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111222123102211 is a deficient number, since it is larger than the sum of its proper divisors (14077701147389).

111222123102211 is a wasteful number, since it uses less digits than its factorization.

111222123102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101059.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 111222123102211 its reverse (112201321222111), we get a palindrome (223423444324322).

The spelling of 111222123102211 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred twenty-three million, one hundred two thousand, two hundred eleven".