211110020012 has 12 divisors (see below), whose sum is σ = 369571685616. Its totient is φ = 105518109840.

The previous prime is 211110019979. The next prime is 211110020063. The reversal of 211110020012 is 210020011112.

It is a junction number, because it is equal to n+sod(n) for n = 211110019975 and 211110020002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9212168 + ... + 9235055.

It is an arithmetic number, because the mean of its divisors is an integer number (30797640468).

Almost surely, 2^211110020012 is an apocalyptic number.

It is an amenable number.

211110020012 is a deficient number, since it is larger than the sum of its proper divisors (158461665604).

211110020012 is a wasteful number, since it uses less digits than its factorization.

211110020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18450088 (or 18450086 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211110020012 its reverse (210020011112), we get a palindrome (421130031124).

The spelling of 211110020012 in words is "two hundred eleven billion, one hundred ten million, twenty thousand, twelve".