211200002122011 has 96 divisors (see below), whose sum is σ = 347749967093760. Its totient is φ = 113362236094464.

The previous prime is 211200002122009. The next prime is 211200002122063. The reversal of 211200002122011 is 110221200002112.

It is not a de Polignac number, because 211200002122011 - 2¹ = 211200002122009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211200002122001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 566287051 + ... + 566659883.

It is an arithmetic number, because the mean of its divisors is an integer number (3622395490560).

Almost surely, 2^{211200002122011} is an apocalyptic number.

211200002122011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

211200002122011 is a deficient number, since it is larger than the sum of its proper divisors (136549964971749).

211200002122011 is a wasteful number, since it uses less digits than its factorization.

211200002122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374593 (or 374586 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211200002122011 its reverse (110221200002112), we get a palindrome (321421202124123).

The spelling of 211200002122011 in words is "two hundred eleven trillion, two hundred billion, two million, one hundred twenty-two thousand, eleven".