111112020102012 has 48 divisors (see below), whose sum is σ = 259438728148992. Its totient is φ = 37012011019200.

The previous prime is 111112020101969. The next prime is 111112020102047. The reversal of 111112020102012 is 210201020211111.

It is a happy number.

It is a super-2 number, since 2×111112020102012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111112020101982 and 111112020102000.

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 15 ways as a sum of consecutive naturals, for example, 139870137 + ... + 140662287.

It is an arithmetic number, because the mean of its divisors is an integer number (5404973503104).

Almost surely, 2^{111112020102012} is an apocalyptic number.

111112020102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111112020102012 is an abundant number, since it is smaller than the sum of its proper divisors (148326708046980).

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

111112020102012 is a wasteful number, since it uses less digits than its factorization.

111112020102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800138 (or 800136 counting only the distinct ones).

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

Adding to 111112020102012 its reverse (210201020211111), we get a palindrome (321313040313123).

The spelling of 111112020102012 in words is "one hundred eleven trillion, one hundred twelve billion, twenty million, one hundred two thousand, twelve".