111222121322 has 16 divisors (see below), whose sum is σ = 181445384232. Its totient is φ = 50825035200.

The previous prime is 111222121313. The next prime is 111222121349. The reversal of 111222121322 is 223121222111.

111222121322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 94371225601 + 16850895721 = 307199^2 + 129811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111222121294 and 111222121303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21174473 + ... + 21179724.

Almost surely, 2^111222121322 is an apocalyptic number.

111222121322 is a deficient number, since it is larger than the sum of its proper divisors (70223262910).

111222121322 is a wasteful number, since it uses less digits than its factorization.

111222121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42354313.

The product of its digits is 192, while the sum is 20.

Adding to 111222121322 its reverse (223121222111), we get a palindrome (334343343433).

The spelling of 111222121322 in words is "one hundred eleven billion, two hundred twenty-two million, one hundred twenty-one thousand, three hundred twenty-two".