111213032211 has 16 divisors (see below), whose sum is σ = 164939366400. Its totient is φ = 74061328104.

The previous prime is 111213032167. The next prime is 111213032219. The reversal of 111213032211 is 112230312111.

It is not a de Polignac number, because 111213032211 - 2¹³ = 111213024019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111213032219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2216211 + ... + 2265836.

It is an arithmetic number, because the mean of its divisors is an integer number (10308710400).

Almost surely, 2^111213032211 is an apocalyptic number.

111213032211 is a deficient number, since it is larger than the sum of its proper divisors (53726334189).

111213032211 is an equidigital number, since it uses as much as digits as its factorization.

111213032211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482975 (or 4482969 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111213032211 its reverse (112230312111), we get a palindrome (223443344322).

The spelling of 111213032211 in words is "one hundred eleven billion, two hundred thirteen million, thirty-two thousand, two hundred eleven".