111210021102012 has 72 divisors (see below), whose sum is σ = 301901469375744. Its totient is φ = 31769481447648.

The previous prime is 111210021101999. The next prime is 111210021102029. The reversal of 111210021102012 is 210201120012111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111210021101982 and 111210021102000.

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 23 ways as a sum of consecutive naturals, for example, 10428138 + ... + 18197969.

It is an arithmetic number, because the mean of its divisors is an integer number (4193075963552).

Almost surely, 2^{111210021102012} is an apocalyptic number.

111210021102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111210021102012 is an abundant number, since it is smaller than the sum of its proper divisors (190691448273732).

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

111210021102012 is a wasteful number, since it uses less digits than its factorization.

111210021102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28632735 (or 28632726 counting only the distinct ones).

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

Adding to 111210021102012 its reverse (210201120012111), we get a palindrome (321411141114123).

The spelling of 111210021102012 in words is "one hundred eleven trillion, two hundred ten billion, twenty-one million, one hundred two thousand, twelve".