211301312011 has 4 divisors (see below), whose sum is σ = 211716442800. Its totient is φ = 210886181224.

The previous prime is 211301311979. The next prime is 211301312021. The reversal of 211301312011 is 110213103112.

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 211301312011 - 2⁵ = 211301311979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211301312021) 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, 207564631 + ... + 207565648.

It is an arithmetic number, because the mean of its divisors is an integer number (52929110700).

Almost surely, 2^211301312011 is an apocalyptic number.

211301312011 is a deficient number, since it is larger than the sum of its proper divisors (415130789).

211301312011 is an equidigital number, since it uses as much as digits as its factorization.

211301312011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415130788.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 211301312011 its reverse (110213103112), we get a palindrome (321514415123).

The spelling of 211301312011 in words is "two hundred eleven billion, three hundred one million, three hundred twelve thousand, eleven".