111121001003323 has 32 divisors (see below), whose sum is σ = 121232049825600. Its totient is φ = 101570903320320.

The previous prime is 111121001003321. The next prime is 111121001003339. The reversal of 111121001003323 is 323300100121111.

It is not a de Polignac number, because 111121001003323 - 2¹ = 111121001003321 is a prime.

It is a super-2 number, since 2×111121001003323² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111121001003323.

It is not an unprimeable number, because it can be changed into a prime (111121001003321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 663955633 + ... + 664122973.

It is an arithmetic number, because the mean of its divisors is an integer number (3788501557050).

Almost surely, 2^{111121001003323} is an apocalyptic number.

111121001003323 is a deficient number, since it is larger than the sum of its proper divisors (10111048822277).

111121001003323 is an equidigital number, since it uses as much as digits as its factorization.

111121001003323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168880 (or 168822 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111121001003323 its reverse (323300100121111), we get a palindrome (434421101124434).

The spelling of 111121001003323 in words is "one hundred eleven trillion, one hundred twenty-one billion, one million, three thousand, three hundred twenty-three".