221211110002012 has 12 divisors (see below), whose sum is σ = 416897861157736. Its totient is φ = 102097435385520.

The previous prime is 221211110001991. The next prime is 221211110002049. The reversal of 221211110002012 is 210200011112122.

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, 2127029903814 + ... + 2127029903917.

Almost surely, 2^{221211110002012} is an apocalyptic number.

It is an amenable number.

221211110002012 is a deficient number, since it is larger than the sum of its proper divisors (195686751155724).

221211110002012 is a wasteful number, since it uses less digits than its factorization.

221211110002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254059807748 (or 4254059807746 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221211110002012 its reverse (210200011112122), we get a palindrome (431411121114134).

The spelling of 221211110002012 in words is "two hundred twenty-one trillion, two hundred eleven billion, one hundred ten million, two thousand, twelve".