211200230011 has 4 divisors (see below), whose sum is σ = 211259014632. Its totient is φ = 211141445392.

The previous prime is 211200229969. The next prime is 211200230029. The reversal of 211200230011 is 110032002112.

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 211200230011 - 2¹¹ = 211200227963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211200229973 and 211200230000.

It is not an unprimeable number, because it can be changed into a prime (211200230041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29386921 + ... + 29394106.

It is an arithmetic number, because the mean of its divisors is an integer number (52814753658).

Almost surely, 2^211200230011 is an apocalyptic number.

211200230011 is a deficient number, since it is larger than the sum of its proper divisors (58784621).

211200230011 is an equidigital number, since it uses as much as digits as its factorization.

211200230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58784620.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 211200230011 its reverse (110032002112), we get a palindrome (321232232123).

The spelling of 211200230011 in words is "two hundred eleven billion, two hundred million, two hundred thirty thousand, eleven".