111233012122 has 8 divisors (see below), whose sum is σ = 169584756372. Its totient is φ = 54704760000.

The previous prime is 111233012119. The next prime is 111233012123. The reversal of 111233012122 is 221210332111.

It can be written as a sum of positive squares in 2 ways, for example, as 101959514721 + 9273497401 = 319311^2 + 96299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111233012122.

It is not an unprimeable number, because it can be changed into a prime (111233012123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455872879 + ... + 455873122.

Almost surely, 2^111233012122 is an apocalyptic number.

111233012122 is a deficient number, since it is larger than the sum of its proper divisors (58351744250).

111233012122 is an equidigital number, since it uses as much as digits as its factorization.

111233012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911746064.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111233012122 its reverse (221210332111), we get a palindrome (332443344233).

The spelling of 111233012122 in words is "one hundred eleven billion, two hundred thirty-three million, twelve thousand, one hundred twenty-two".