211303103110223 has 4 divisors (see below), whose sum is σ = 211355757762408. Its totient is φ = 211250448458040.

The previous prime is 211303103110219. The next prime is 211303103110277. The reversal of 211303103110223 is 322011301303112.

211303103110223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211303103110223 - 2² = 211303103110219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211303103110123) 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, 26327320073 + ... + 26327328098.

It is an arithmetic number, because the mean of its divisors is an integer number (52838939440602).

Almost surely, 2^{211303103110223} is an apocalyptic number.

211303103110223 is a deficient number, since it is larger than the sum of its proper divisors (52654652185).

211303103110223 is an equidigital number, since it uses as much as digits as its factorization.

211303103110223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52654652184.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 211303103110223 its reverse (322011301303112), we get a palindrome (533314404413335).

The spelling of 211303103110223 in words is "two hundred eleven trillion, three hundred three billion, one hundred three million, one hundred ten thousand, two hundred twenty-three".