111200001211211 has 16 divisors (see below), whose sum is σ = 127246140960768. Its totient is φ = 96189393220800.

The previous prime is 111200001211207. The next prime is 111200001211241. The reversal of 111200001211211 is 112112100002111.

It is not a de Polignac number, because 111200001211211 - 2² = 111200001211207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111200001211241) 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, 1150542506 + ... + 1150639151.

It is an arithmetic number, because the mean of its divisors is an integer number (7952883810048).

Almost surely, 2^{111200001211211} is an apocalyptic number.

111200001211211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111200001211211 is a deficient number, since it is larger than the sum of its proper divisors (16046139749557).

111200001211211 is a wasteful number, since it uses less digits than its factorization.

111200001211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301181882.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111200001211211 its reverse (112112100002111), we get a palindrome (223312101213322).

The spelling of 111200001211211 in words is "one hundred eleven trillion, two hundred billion, one million, two hundred eleven thousand, two hundred eleven".