111013323122221 has 8 divisors (see below), whose sum is σ = 120243866221080. Its totient is φ = 101881502409792.

The previous prime is 111013323122213. The next prime is 111013323122267. The reversal of 111013323122221 is 122221323310111.

It can be written as a sum of positive squares in 4 ways, for example, as 55326655599721 + 55686667522500 = 7438189^2 + 7462350^2 .

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 111013323122221 - 2³ = 111013323122213 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 (111013323120221) 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, 24680594266 + ... + 24680598763.

It is an arithmetic number, because the mean of its divisors is an integer number (15030483277635).

Almost surely, 2^{111013323122221} is an apocalyptic number.

It is an amenable number.

111013323122221 is a deficient number, since it is larger than the sum of its proper divisors (9230543098859).

111013323122221 is a wasteful number, since it uses less digits than its factorization.

111013323122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49361193215.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 111013323122221 its reverse (122221323310111), we get a palindrome (233234646432332).

The spelling of 111013323122221 in words is "one hundred eleven trillion, thirteen billion, three hundred twenty-three million, one hundred twenty-two thousand, two hundred twenty-one".