111034310221 has 4 divisors (see below), whose sum is σ = 117565740252. Its totient is φ = 104502880192.

The previous prime is 111034310147. The next prime is 111034310227. The reversal of 111034310221 is 122013430111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77986706121 + 33047604100 = 279261^2 + 181790^2 .

It is a cyclic number.

It is not a de Polignac number, because 111034310221 - 2¹⁷ = 111034179149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111034310227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3265714990 + ... + 3265715023.

It is an arithmetic number, because the mean of its divisors is an integer number (29391435063).

Almost surely, 2^111034310221 is an apocalyptic number.

It is an amenable number.

111034310221 is a deficient number, since it is larger than the sum of its proper divisors (6531430031).

111034310221 is an equidigital number, since it uses as much as digits as its factorization.

111034310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6531430030.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111034310221 its reverse (122013430111), we get a palindrome (233047740332).

The spelling of 111034310221 in words is "one hundred eleven billion, thirty-four million, three hundred ten thousand, two hundred twenty-one".