211200222000000 has 224 divisors, whose sum is σ = 701241781021560. Its totient is φ = 56320057600000.

The previous prime is 211200221999927. The next prime is 211200222000023. The reversal of 211200222000000 is 222002112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 211200222000000.

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 27 ways as a sum of consecutive naturals, for example, 11600019 + ... + 23600018.

Almost surely, 2^{211200222000000} is an apocalyptic number.

211200222000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211200222000000 is an abundant number, since it is smaller than the sum of its proper divisors (490041559021560).

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

211200222000000 is an frugal number, since it uses more digits than its factorization.

211200222000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35200084 (or 35200047 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 211200222000000 its reverse (222002112), we get a palindrome (211200444002112).

The spelling of 211200222000000 in words is "two hundred eleven trillion, two hundred billion, two hundred twenty-two million", and thus it is an aban number.