111021213311 has 8 divisors (see below), whose sum is σ = 113734076400. Its totient is φ = 108308589760.

The previous prime is 111021213301. The next prime is 111021213313. The reversal of 111021213311 is 113312120111.

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 111021213311 - 2¹⁰ = 111021212287 is a prime.

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 111021213311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021213313) 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, 1196300 + ... + 1285758.

It is an arithmetic number, because the mean of its divisors is an integer number (14216759550).

Almost surely, 2^111021213311 is an apocalyptic number.

111021213311 is a deficient number, since it is larger than the sum of its proper divisors (2712863089).

111021213311 is an equidigital number, since it uses as much as digits as its factorization.

111021213311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119769.

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

Adding to 111021213311 its reverse (113312120111), we get a palindrome (224333333422).

The spelling of 111021213311 in words is "one hundred eleven billion, twenty-one million, two hundred thirteen thousand, three hundred eleven".