111003323121321 has 4 divisors (see below), whose sum is σ = 148004430828432. Its totient is φ = 74002215414212.

The previous prime is 111003323121319. The next prime is 111003323121337. The reversal of 111003323121321 is 123121323300111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111003323121321 - 2¹ = 111003323121319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111003323121291 and 111003323121300.

It is not an unprimeable number, because it can be changed into a prime (111003323120321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18500553853551 + ... + 18500553853556.

It is an arithmetic number, because the mean of its divisors is an integer number (37001107707108).

Almost surely, 2^{111003323121321} is an apocalyptic number.

It is an amenable number.

111003323121321 is a deficient number, since it is larger than the sum of its proper divisors (37001107707111).

111003323121321 is an equidigital number, since it uses as much as digits as its factorization.

111003323121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37001107707110.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 111003323121321 its reverse (123121323300111), we get a palindrome (234124646421432).

The spelling of 111003323121321 in words is "one hundred eleven trillion, three billion, three hundred twenty-three million, one hundred twenty-one thousand, three hundred twenty-one".