111012120211 has 16 divisors (see below), whose sum is σ = 117670644000. Its totient is φ = 104436864000.

The previous prime is 111012120187. The next prime is 111012120217. The reversal of 111012120211 is 112021210111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111012120211 - 2¹⁹ = 111011595923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111012120191 and 111012120200.

It is not an unprimeable number, because it can be changed into a prime (111012120217) 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 15 ways as a sum of consecutive naturals, for example, 2387715 + ... + 2433763.

It is an arithmetic number, because the mean of its divisors is an integer number (7354415250).

Almost surely, 2^111012120211 is an apocalyptic number.

111012120211 is a deficient number, since it is larger than the sum of its proper divisors (6658523789).

111012120211 is a wasteful number, since it uses less digits than its factorization.

111012120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46950.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111012120211 its reverse (112021210111), we get a palindrome (223033330322).

It can be divided in two parts, 11101 and 2120211, that added together give a palindrome (2131312).

The spelling of 111012120211 in words is "one hundred eleven billion, twelve million, one hundred twenty thousand, two hundred eleven".