211200012122211 has 32 divisors (see below), whose sum is σ = 359122031723520. Its totient is φ = 120167756718912.

The previous prime is 211200012122191. The next prime is 211200012122279. The reversal of 211200012122211 is 112221210002112.

211200012122211 is a `hidden beast` number, since 211 + 20 + 0 + 0 + 1 + 212 + 221 + 1 = 666.

It is not a de Polignac number, because 211200012122211 - 2²⁶ = 211199945013347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211200012126211) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2397939615 + ... + 2398027688.

It is an arithmetic number, because the mean of its divisors is an integer number (11222563491360).

Almost surely, 2^{211200012122211} is an apocalyptic number.

211200012122211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

211200012122211 is a deficient number, since it is larger than the sum of its proper divisors (147922019601309).

211200012122211 is a wasteful number, since it uses less digits than its factorization.

211200012122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4795967552 (or 4795967546 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211200012122211 its reverse (112221210002112), we get a palindrome (323421222124323).

The spelling of 211200012122211 in words is "two hundred eleven trillion, two hundred billion, twelve million, one hundred twenty-two thousand, two hundred eleven".