111332220221 has 8 divisors (see below), whose sum is σ = 113735366784. Its totient is φ = 108930506080.

The previous prime is 111332220163. The next prime is 111332220253. The reversal of 111332220221 is 122022233111.

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 111332220221 - 2¹⁰ = 111332219197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111332220193 and 111332220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111332220421) 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, 200240 + ... + 512601.

It is an arithmetic number, because the mean of its divisors is an integer number (14216920848).

Almost surely, 2^111332220221 is an apocalyptic number.

It is an amenable number.

111332220221 is a deficient number, since it is larger than the sum of its proper divisors (2403146563).

111332220221 is an equidigital number, since it uses as much as digits as its factorization.

111332220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716211.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111332220221 its reverse (122022233111), we get a palindrome (233354453332).

The spelling of 111332220221 in words is "one hundred eleven billion, three hundred thirty-two million, two hundred twenty thousand, two hundred twenty-one".