212300203111 has 4 divisors (see below), whose sum is σ = 219620899800. Its totient is φ = 204979506424.

The previous prime is 212300203069. The next prime is 212300203121. The reversal of 212300203111 is 111302003212.

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 212300203111 - 2¹³ = 212300194919 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 (212300203121) 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, 3660348301 + ... + 3660348358.

It is an arithmetic number, because the mean of its divisors is an integer number (54905224950).

Almost surely, 2^212300203111 is an apocalyptic number.

212300203111 is a deficient number, since it is larger than the sum of its proper divisors (7320696689).

212300203111 is an equidigital number, since it uses as much as digits as its factorization.

212300203111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320696688.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212300203111 its reverse (111302003212), we get a palindrome (323602206323).

The spelling of 212300203111 in words is "two hundred twelve billion, three hundred million, two hundred three thousand, one hundred eleven".