212200155211 has 12 divisors (see below), whose sum is σ = 233318546272. Its totient is φ = 192848238000.

The previous prime is 212200155197. The next prime is 212200155217. The reversal of 212200155211 is 112551002212.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-212200155211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212200155217) 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 11 ways as a sum of consecutive naturals, for example, 109246 + ... + 660556.

Almost surely, 2^212200155211 is an apocalyptic number.

212200155211 is a deficient number, since it is larger than the sum of its proper divisors (21118391061).

212200155211 is a wasteful number, since it uses less digits than its factorization.

212200155211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554514 (or 554503 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 212200155211 its reverse (112551002212), we get a palindrome (324751157423).

The spelling of 212200155211 in words is "two hundred twelve billion, two hundred million, one hundred fifty-five thousand, two hundred eleven".