213111120203 has 8 divisors (see below), whose sum is σ = 213885056736. Its totient is φ = 212337294400.

The previous prime is 213111120197. The next prime is 213111120227. The reversal of 213111120203 is 302021111312.

213111120203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213111120203 - 2²⁴ = 213094342987 is a prime.

It is a super-2 number, since 2×213111120203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213111120283) 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 7 ways as a sum of consecutive naturals, for example, 7613213 + ... + 7641153.

It is an arithmetic number, because the mean of its divisors is an integer number (26735632092).

Almost surely, 2^213111120203 is an apocalyptic number.

213111120203 is a deficient number, since it is larger than the sum of its proper divisors (773936533).

213111120203 is a wasteful number, since it uses less digits than its factorization.

213111120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55365.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 213111120203 its reverse (302021111312), we get a palindrome (515132231515).

The spelling of 213111120203 in words is "two hundred thirteen billion, one hundred eleven million, one hundred twenty thousand, two hundred three".