111322213123 has 16 divisors (see below), whose sum is σ = 127230981120. Its totient is φ = 96475658400.

The previous prime is 111322213117. The next prime is 111322213133. The reversal of 111322213123 is 321312223111.

It is not a de Polignac number, because 111322213123 - 2¹⁷ = 111322082051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111322213094 and 111322213103.

It is not an unprimeable number, because it can be changed into a prime (111322213133) 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, 2413408 + ... + 2459101.

It is an arithmetic number, because the mean of its divisors is an integer number (7951936320).

Almost surely, 2^111322213123 is an apocalyptic number.

111322213123 is a deficient number, since it is larger than the sum of its proper divisors (15908767997).

111322213123 is a wasteful number, since it uses less digits than its factorization.

111322213123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872618.

The product of its digits is 432, while the sum is 22.

Adding to 111322213123 its reverse (321312223111), we get a palindrome (432634436234).

The spelling of 111322213123 in words is "one hundred eleven billion, three hundred twenty-two million, two hundred thirteen thousand, one hundred twenty-three".