111122210012 has 18 divisors (see below), whose sum is σ = 213749541264. Its totient is φ = 50510095240.

The previous prime is 111122210009. The next prime is 111122210039. The reversal of 111122210012 is 210012221111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114795188 + ... + 114796155.

Almost surely, 2^111122210012 is an apocalyptic number.

It is an amenable number.

111122210012 is a deficient number, since it is larger than the sum of its proper divisors (102627331252).

111122210012 is a wasteful number, since it uses less digits than its factorization.

111122210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229591369 (or 229591356 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111122210012 its reverse (210012221111), we get a palindrome (321134431123).

The spelling of 111122210012 in words is "one hundred eleven billion, one hundred twenty-two million, two hundred ten thousand, twelve".