111212220023322 has 64 divisors (see below), whose sum is σ = 249205174473600. Its totient is φ = 32789532948480.

The previous prime is 111212220023237. The next prime is 111212220023327. The reversal of 111212220023322 is 223320022212111.

It is a junction number, because it is equal to n+sod(n) for n = 111212220023292 and 111212220023301.

It is not an unprimeable number, because it can be changed into a prime (111212220023327) 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, 448151454 + ... + 448399542.

It is an arithmetic number, because the mean of its divisors is an integer number (3893830851150).

Almost surely, 2^{111212220023322} is an apocalyptic number.

111212220023322 is an abundant number, since it is smaller than the sum of its proper divisors (137992954450278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111212220023322 is a wasteful number, since it uses less digits than its factorization.

111212220023322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431711.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 111212220023322 its reverse (223320022212111), we get a palindrome (334532242235433).

The spelling of 111212220023322 in words is "one hundred eleven trillion, two hundred twelve billion, two hundred twenty million, twenty-three thousand, three hundred twenty-two".