211340203300111 has 4 divisors (see below), whose sum is σ = 211340266678432. Its totient is φ = 211340139921792.

The previous prime is 211340203300099. The next prime is 211340203300147. The reversal of 211340203300111 is 111003302043112.

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 211340203300111 - 2⁷ = 211340203299983 is a prime.

It is a super-2 number, since 2×211340203300111² (a number of 29 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 (211340203300211) 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, 26392146 + ... + 33454831.

It is an arithmetic number, because the mean of its divisors is an integer number (52835066669608).

Almost surely, 2^{211340203300111} is an apocalyptic number.

211340203300111 is a deficient number, since it is larger than the sum of its proper divisors (63378321).

211340203300111 is an equidigital number, since it uses as much as digits as its factorization.

211340203300111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63378320.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 211340203300111 its reverse (111003302043112), we get a palindrome (322343505343223).

The spelling of 211340203300111 in words is "two hundred eleven trillion, three hundred forty billion, two hundred three million, three hundred thousand, one hundred eleven".