111100001221211 has 8 divisors (see below), whose sum is σ = 117782893035360. Its totient is φ = 104433509143168.

The previous prime is 111100001221171. The next prime is 111100001221267. The reversal of 111100001221211 is 112122100001111.

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 111100001221211 - 2³⁰ = 111098927479387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111100001220211) 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, 4099920071 + ... + 4099947168.

It is an arithmetic number, because the mean of its divisors is an integer number (14722861629420).

Almost surely, 2^{111100001221211} is an apocalyptic number.

111100001221211 is a deficient number, since it is larger than the sum of its proper divisors (6682891814149).

111100001221211 is an equidigital number, since it uses as much as digits as its factorization.

111100001221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8199868053.

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

Adding to 111100001221211 its reverse (112122100001111), we get a palindrome (223222101222322).

The spelling of 111100001221211 in words is "one hundred eleven trillion, one hundred billion, one million, two hundred twenty-one thousand, two hundred eleven".