111213013211 has 8 divisors (see below), whose sum is σ = 113224294848. Its totient is φ = 109207800000.

The previous prime is 111213013193. The next prime is 111213013213. The reversal of 111213013211 is 112310312111.

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 111213013211 - 2⁶ = 111213013147 is a prime.

It is a super-3 number, since 3×111213013211³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111213013211.

It is not an unprimeable number, because it can be changed into a prime (111213013213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1480115 + ... + 1553436.

It is an arithmetic number, because the mean of its divisors is an integer number (14153036856).

Almost surely, 2^111213013211 is an apocalyptic number.

111213013211 is a deficient number, since it is larger than the sum of its proper divisors (2011281637).

111213013211 is an equidigital number, since it uses as much as digits as its factorization.

111213013211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034213.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111213013211 its reverse (112310312111), we get a palindrome (223523325322).

The spelling of 111213013211 in words is "one hundred eleven billion, two hundred thirteen million, thirteen thousand, two hundred eleven".