213221100203003 has 4 divisors (see below), whose sum is σ = 218983832640960. Its totient is φ = 207458367765048.

The previous prime is 213221100202993. The next prime is 213221100203021. The reversal of 213221100203003 is 300302001122312.

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 213221100203003 - 2¹² = 213221100198907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213221100203063) 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, 2881366218923 + ... + 2881366218996.

It is an arithmetic number, because the mean of its divisors is an integer number (54745958160240).

Almost surely, 2^{213221100203003} is an apocalyptic number.

213221100203003 is a deficient number, since it is larger than the sum of its proper divisors (5762732437957).

213221100203003 is an equidigital number, since it uses as much as digits as its factorization.

213221100203003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762732437956.

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

Adding to 213221100203003 its reverse (300302001122312), we get a palindrome (513523101325315).

The spelling of 213221100203003 in words is "two hundred thirteen trillion, two hundred twenty-one billion, one hundred million, two hundred three thousand, three".