211203213112 has 16 divisors (see below), whose sum is σ = 396337983840. Its totient is φ = 105513084096.

The previous prime is 211203213103. The next prime is 211203213119. The reversal of 211203213112 is 211312302112.

It is a self number, because there is not a number n which added to its sum of digits gives 211203213112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211203213119) by changing a digit.

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, 11055168 + ... + 11074255.

It is an arithmetic number, because the mean of its divisors is an integer number (24771123990).

Almost surely, 2^211203213112 is an apocalyptic number.

It is an amenable number.

211203213112 is a deficient number, since it is larger than the sum of its proper divisors (185134770728).

211203213112 is a wasteful number, since it uses less digits than its factorization.

211203213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22130622 (or 22130618 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211203213112 its reverse (211312302112), we get a palindrome (422515515224).

The spelling of 211203213112 in words is "two hundred eleven billion, two hundred three million, two hundred thirteen thousand, one hundred twelve".