111311403223321 has 32 divisors (see below), whose sum is σ = 134434324954368. Its totient is φ = 90177821510400.

The previous prime is 111311403223301. The next prime is 111311403223333. The reversal of 111311403223321 is 123322304113111.

It is a happy number.

It is not a de Polignac number, because 111311403223321 - 2³⁵ = 111277043484953 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 111311403223321.

It is not an unprimeable number, because it can be changed into a prime (111311403223301) 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, 38756835 + ... + 41529688.

It is an arithmetic number, because the mean of its divisors is an integer number (4201072654824).

Almost surely, 2^{111311403223321} is an apocalyptic number.

It is an amenable number.

111311403223321 is a deficient number, since it is larger than the sum of its proper divisors (23122921731047).

111311403223321 is a wasteful number, since it uses less digits than its factorization.

111311403223321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80286721.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 111311403223321 its reverse (123322304113111), we get a palindrome (234633707336432).

The spelling of 111311403223321 in words is "one hundred eleven trillion, three hundred eleven billion, four hundred three million, two hundred twenty-three thousand, three hundred twenty-one".