211200122212011 has 16 divisors (see below), whose sum is σ = 312890702361120. Its totient is φ = 140799346886880.

The previous prime is 211200122212007. The next prime is 211200122212067. The reversal of 211200122212011 is 110212221002112.

211200122212011 is a `hidden beast` number, since 211 + 20 + 0 + 12 + 221 + 201 + 1 = 666.

It is not a de Polignac number, because 211200122212011 - 2² = 211200122212007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211200122212811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15109240 + ... + 25508613.

It is an arithmetic number, because the mean of its divisors is an integer number (19555668897570).

Almost surely, 2^{211200122212011} is an apocalyptic number.

211200122212011 is a deficient number, since it is larger than the sum of its proper divisors (101690580149109).

211200122212011 is a wasteful number, since it uses less digits than its factorization.

211200122212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40810443 (or 40810437 counting only the distinct ones).

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

Adding to 211200122212011 its reverse (110212221002112), we get a palindrome (321412343214123).

The spelling of 211200122212011 in words is "two hundred eleven trillion, two hundred billion, one hundred twenty-two million, two hundred twelve thousand, eleven".