111102012211 has 8 divisors (see below), whose sum is σ = 117786914640. Its totient is φ = 104433719808.

The previous prime is 111102012181. The next prime is 111102012283. The reversal of 111102012211 is 112210201111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111102012211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111102012191 and 111102012200.

It is not an unprimeable number, because it can be changed into a prime (111102012911) 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, 4138726 + ... + 4165483.

It is an arithmetic number, because the mean of its divisors is an integer number (14723364330).

Almost surely, 2^111102012211 is an apocalyptic number.

111102012211 is a deficient number, since it is larger than the sum of its proper divisors (6684902429).

111102012211 is an equidigital number, since it uses as much as digits as its factorization.

111102012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8305013.

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

Adding to 111102012211 its reverse (112210201111), we get a palindrome (223312213322).

The spelling of 111102012211 in words is "one hundred eleven billion, one hundred two million, twelve thousand, two hundred eleven".