211301300111 has 4 divisors (see below), whose sum is σ = 230510509224. Its totient is φ = 192092091000.

The previous prime is 211301300071. The next prime is 211301300137. The reversal of 211301300111 is 111003103112.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211301300111 is a prime.

It is a super-2 number, since 2×211301300111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211301300011) 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, 9604604540 + ... + 9604604561.

It is an arithmetic number, because the mean of its divisors is an integer number (57627627306).

Almost surely, 2^211301300111 is an apocalyptic number.

211301300111 is a deficient number, since it is larger than the sum of its proper divisors (19209209113).

211301300111 is a wasteful number, since it uses less digits than its factorization.

211301300111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19209209112.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 211301300111 its reverse (111003103112), we get a palindrome (322304403223).

The spelling of 211301300111 in words is "two hundred eleven billion, three hundred one million, three hundred thousand, one hundred eleven".