111011122012211 has 16 divisors (see below), whose sum is σ = 115447103591040. Its totient is φ = 106617150474240.

The previous prime is 111011122012177. The next prime is 111011122012243. The reversal of 111011122012211 is 112210221110111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111011122012211 is a prime.

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 111011122012211.

It is not an unprimeable number, because it can be changed into a prime (111011122012111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8965286 + ... + 17389611.

It is an arithmetic number, because the mean of its divisors is an integer number (7215443974440).

Almost surely, 2^{111011122012211} is an apocalyptic number.

111011122012211 is a deficient number, since it is larger than the sum of its proper divisors (4435981578829).

111011122012211 is a wasteful number, since it uses less digits than its factorization.

111011122012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26355694.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111011122012211 its reverse (112210221110111), we get a palindrome (223221343122322).

The spelling of 111011122012211 in words is "one hundred eleven trillion, eleven billion, one hundred twenty-two million, twelve thousand, two hundred eleven".