111004321 has 2 divisors, whose sum is σ = 111004322. Its totient is φ = 111004320.

The previous prime is 111004319. The next prime is 111004337. The reversal of 111004321 is 123400111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104040000 + 6964321 = 10200^2 + 2639^2 .

It is an emirp because it is prime and its reverse (123400111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111004321 - 2¹ = 111004319 is a prime.

Together with 111004319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (111004301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55502160 + 55502161.

It is an arithmetic number, because the mean of its divisors is an integer number (55502161).

Almost surely, 2^111004321 is an apocalyptic number.

It is an amenable number.

111004321 is a deficient number, since it is larger than the sum of its proper divisors (1).

111004321 is an equidigital number, since it uses as much as digits as its factorization.

111004321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 111004321 is about 10535.8588164421. The cubic root of 111004321 is about 480.5957894081.

Adding to 111004321 its reverse (123400111), we get a palindrome (234404432).

The spelling of 111004321 in words is "one hundred eleven million, four thousand, three hundred twenty-one".