111011122212211 has 8 divisors (see below), whose sum is σ = 126582818088384. Its totient is φ = 96444051876480.

The previous prime is 111011122212209. The next prime is 111011122212359. The reversal of 111011122212211 is 112212221110111.

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 111011122212211 - 2¹ = 111011122212209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111011120212211) 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, 251156384875 + ... + 251156385316.

It is an arithmetic number, because the mean of its divisors is an integer number (15822852261048).

Almost surely, 2^{111011122212211} is an apocalyptic number.

111011122212211 is a deficient number, since it is larger than the sum of its proper divisors (15571695876173).

111011122212211 is a wasteful number, since it uses less digits than its factorization.

111011122212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502312770221.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 111011122212211 its reverse (112212221110111), we get a palindrome (223223343322322).

The spelling of 111011122212211 in words is "one hundred eleven trillion, eleven billion, one hundred twenty-two million, two hundred twelve thousand, two hundred eleven".