211200010201111 has 4 divisors (see below), whose sum is σ = 211775487068512. Its totient is φ = 210624533333712.

The previous prime is 211200010201069. The next prime is 211200010201171. The reversal of 211200010201111 is 111102010002112.

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 211200010201111 - 2¹⁷ = 211200010070039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211200010201091 and 211200010201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211200010201171) 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, 287738433150 + ... + 287738433883.

It is an arithmetic number, because the mean of its divisors is an integer number (52943871767128).

Almost surely, 2^{211200010201111} is an apocalyptic number.

211200010201111 is a deficient number, since it is larger than the sum of its proper divisors (575476867401).

211200010201111 is an equidigital number, since it uses as much as digits as its factorization.

211200010201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575476867400.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211200010201111 its reverse (111102010002112), we get a palindrome (322302020203223).

The spelling of 211200010201111 in words is "two hundred eleven trillion, two hundred billion, ten million, two hundred one thousand, one hundred eleven".