111110020122012 has 12 divisors (see below), whose sum is σ = 259256713618056. Its totient is φ = 37036673374000.

The previous prime is 111110020121987. The next prime is 111110020122037. The reversal of 111110020122012 is 210221020011111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111110020121987) and next prime (111110020122037).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 111110020121982 and 111110020122000.

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 3 ways as a sum of consecutive naturals, for example, 4629584171739 + ... + 4629584171762.

It is an arithmetic number, because the mean of its divisors is an integer number (21604726134838).

Almost surely, 2^{111110020122012} is an apocalyptic number.

111110020122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111110020122012 is an abundant number, since it is smaller than the sum of its proper divisors (148146693496044).

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

111110020122012 is a wasteful number, since it uses less digits than its factorization.

111110020122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9259168343508 (or 9259168343506 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111110020122012 its reverse (210221020011111), we get a palindrome (321331040133123).

The spelling of 111110020122012 in words is "one hundred eleven trillion, one hundred ten billion, twenty million, one hundred twenty-two thousand, twelve".