111200120012211 has 16 divisors (see below), whose sum is σ = 149974039802880. Its totient is φ = 73280265600960.

The previous prime is 111200120012207. The next prime is 111200120012221. The reversal of 111200120012211 is 112210021002111.

It is a happy number.

It is not a de Polignac number, because 111200120012211 - 2² = 111200120012207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111200120012221) 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, 56381095 + ... + 58320048.

It is an arithmetic number, because the mean of its divisors is an integer number (9373377487680).

Almost surely, 2^{111200120012211} is an apocalyptic number.

111200120012211 is a deficient number, since it is larger than the sum of its proper divisors (38773919790669).

111200120012211 is a wasteful number, since it uses less digits than its factorization.

111200120012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114704866.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111200120012211 its reverse (112210021002111), we get a palindrome (223410141014322).

The spelling of 111200120012211 in words is "one hundred eleven trillion, two hundred billion, one hundred twenty million, twelve thousand, two hundred eleven".