213201120203 has 4 divisors (see below), whose sum is σ = 215899868640. Its totient is φ = 210502371768.

The previous prime is 213201120199. The next prime is 213201120257. The reversal of 213201120203 is 302021102312.

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 213201120203 - 2² = 213201120199 is a prime.

It is a super-2 number, since 2×213201120203² (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 (213201120403) 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, 1349374100 + ... + 1349374257.

It is an arithmetic number, because the mean of its divisors is an integer number (53974967160).

Almost surely, 2^213201120203 is an apocalyptic number.

213201120203 is a deficient number, since it is larger than the sum of its proper divisors (2698748437).

213201120203 is an equidigital number, since it uses as much as digits as its factorization.

213201120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698748436.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 213201120203 its reverse (302021102312), we get a palindrome (515222222515).

The spelling of 213201120203 in words is "two hundred thirteen billion, two hundred one million, one hundred twenty thousand, two hundred three".