211243202000 has 40 divisors (see below), whose sum is σ = 510786067272. Its totient is φ = 84497280000.

The previous prime is 211243201991. The next prime is 211243202069. The reversal of 211243202000 is 202342112.

211243202000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 46140758416 + 165102443584 = 214804^2 + 406328^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 211243202000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52808801 + ... + 52812800.

Almost surely, 2^211243202000 is an apocalyptic number.

211243202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211243202000 is an abundant number, since it is smaller than the sum of its proper divisors (299542865272).

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

211243202000 is a wasteful number, since it uses less digits than its factorization.

211243202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105621624 (or 105621608 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 211243202000 its reverse (202342112), we get a palindrome (211445544112).

The spelling of 211243202000 in words is "two hundred eleven billion, two hundred forty-three million, two hundred two thousand".