111321322111223 has 16 divisors (see below), whose sum is σ = 127951367616000. Its totient is φ = 94873161887712.

The previous prime is 111321322111217. The next prime is 111321322111229. The reversal of 111321322111223 is 322111223123111.

It is an interprime number because it is at equal distance from previous prime (111321322111217) and next prime (111321322111229).

It is a cyclic number.

It is not a de Polignac number, because 111321322111223 - 2⁶ = 111321322111159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111321322111192 and 111321322111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111321322111229) 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, 4234373 + ... + 15510401.

It is an arithmetic number, because the mean of its divisors is an integer number (7996960476000).

Almost surely, 2^{111321322111223} is an apocalyptic number.

111321322111223 is a deficient number, since it is larger than the sum of its proper divisors (16630045504777).

111321322111223 is a wasteful number, since it uses less digits than its factorization.

111321322111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11284094.

The product of its digits is 864, while the sum is 26.

Adding to 111321322111223 its reverse (322111223123111), we get a palindrome (433432545234334).

The spelling of 111321322111223 in words is "one hundred eleven trillion, three hundred twenty-one billion, three hundred twenty-two million, one hundred eleven thousand, two hundred twenty-three".