211023213203 has 4 divisors (see below), whose sum is σ = 230207141688. Its totient is φ = 191839284720.

The previous prime is 211023213139. The next prime is 211023213217. The reversal of 211023213203 is 302312320112.

211023213203 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 211023213203 - 2⁶ = 211023213139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211023213503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9591964226 + ... + 9591964247.

It is an arithmetic number, because the mean of its divisors is an integer number (57551785422).

Almost surely, 2^211023213203 is an apocalyptic number.

211023213203 is a deficient number, since it is larger than the sum of its proper divisors (19183928485).

211023213203 is a wasteful number, since it uses less digits than its factorization.

211023213203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19183928484.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 211023213203 its reverse (302312320112), we get a palindrome (513335533315).

The spelling of 211023213203 in words is "two hundred eleven billion, twenty-three million, two hundred thirteen thousand, two hundred three".