111331021320003 has 16 divisors (see below), whose sum is σ = 157193469240480. Its totient is φ = 69845752843776.

The previous prime is 111331021319981. The next prime is 111331021320073. The reversal of 111331021320003 is 300023120133111.

It is a happy number.

It is not a de Polignac number, because 111331021320003 - 2⁸ = 111331021319747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111331021320073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140313508 + ... + 141104721.

It is an arithmetic number, because the mean of its divisors is an integer number (9824591827530).

Almost surely, 2^{111331021320003} is an apocalyptic number.

111331021320003 is a deficient number, since it is larger than the sum of its proper divisors (45862447920477).

111331021320003 is a wasteful number, since it uses less digits than its factorization.

111331021320003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281426006.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 111331021320003 its reverse (300023120133111), we get a palindrome (411354141453114).

The spelling of 111331021320003 in words is "one hundred eleven trillion, three hundred thirty-one billion, twenty-one million, three hundred twenty thousand, three".