111101213122 has 8 divisors (see below), whose sum is σ = 167515301196. Its totient is φ = 55262779392.

The previous prime is 111101213057. The next prime is 111101213129. The reversal of 111101213122 is 221312101111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 92228223481 + 18872989641 = 303691^2 + 137379^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 111101213096 and 111101213105.

It is not an unprimeable number, because it can be changed into a prime (111101213129) 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, 143913103 + ... + 143913874.

Almost surely, 2^111101213122 is an apocalyptic number.

111101213122 is a deficient number, since it is larger than the sum of its proper divisors (56414088074).

111101213122 is a wasteful number, since it uses less digits than its factorization.

111101213122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287827172.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111101213122 its reverse (221312101111), we get a palindrome (332413314233).

The spelling of 111101213122 in words is "one hundred eleven billion, one hundred one million, two hundred thirteen thousand, one hundred twenty-two".