111011321203203 has 8 divisors (see below), whose sum is σ = 148678839758848. Its totient is φ = 73675675058184.

The previous prime is 111011321203147. The next prime is 111011321203217. The reversal of 111011321203203 is 302302123110111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111011321203203 - 2¹⁴ = 111011321186819 is a prime.

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 111011321203203.

It is not an unprimeable number, because it can be changed into a prime (111011321203253) 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, 82968101875 + ... + 82968103212.

It is an arithmetic number, because the mean of its divisors is an integer number (18584854969856).

Almost surely, 2^{111011321203203} is an apocalyptic number.

111011321203203 is a deficient number, since it is larger than the sum of its proper divisors (37667518555645).

111011321203203 is a wasteful number, since it uses less digits than its factorization.

111011321203203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165936205313.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 111011321203203 its reverse (302302123110111), we get a palindrome (413313444313314).

The spelling of 111011321203203 in words is "one hundred eleven trillion, eleven billion, three hundred twenty-one million, two hundred three thousand, two hundred three".