111212122322 has 16 divisors (see below), whose sum is σ = 192536972352. Its totient is φ = 47190433200.

The previous prime is 111212122321. The next prime is 111212122421. The reversal of 111212122322 is 223221212111.

It is a junction number, because it is equal to n+sod(n) for n = 111212122294 and 111212122303.

It is not an unprimeable number, because it can be changed into a prime (111212122321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39323948 + ... + 39326775.

It is an arithmetic number, because the mean of its divisors is an integer number (12033560772).

Almost surely, 2^111212122322 is an apocalyptic number.

111212122322 is a deficient number, since it is larger than the sum of its proper divisors (81324850030).

111212122322 is a wasteful number, since it uses less digits than its factorization.

111212122322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78650833.

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

Adding to 111212122322 its reverse (223221212111), we get a palindrome (334433334433).

The spelling of 111212122322 in words is "one hundred eleven billion, two hundred twelve million, one hundred twenty-two thousand, three hundred twenty-two".