211200112102011 has 4 divisors (see below), whose sum is σ = 281600149469352. Its totient is φ = 140800074734672.

The previous prime is 211200112101971. The next prime is 211200112102027. The reversal of 211200112102011 is 110201211002112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211200112102011 - 2⁶ = 211200112101947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211200112102061) 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 3 ways as a sum of consecutive naturals, for example, 35200018683666 + ... + 35200018683671.

It is an arithmetic number, because the mean of its divisors is an integer number (70400037367338).

Almost surely, 2^{211200112102011} is an apocalyptic number.

211200112102011 is a deficient number, since it is larger than the sum of its proper divisors (70400037367341).

211200112102011 is an equidigital number, since it uses as much as digits as its factorization.

211200112102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70400037367340.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211200112102011 its reverse (110201211002112), we get a palindrome (321401323104123).

It can be divided in two parts, 211200 and 112102011, that added together give a palindrome (112313211).

The spelling of 211200112102011 in words is "two hundred eleven trillion, two hundred billion, one hundred twelve million, one hundred two thousand, eleven".