213201122003 has 4 divisors (see below), whose sum is σ = 213407913648. Its totient is φ = 212994330360.

The previous prime is 213201121993. The next prime is 213201122077. The reversal of 213201122003 is 300221102312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213201122003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213201122083) 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, 103394276 + ... + 103396337.

It is an arithmetic number, because the mean of its divisors is an integer number (53351978412).

Almost surely, 2^213201122003 is an apocalyptic number.

213201122003 is a deficient number, since it is larger than the sum of its proper divisors (206791645).

213201122003 is a wasteful number, since it uses less digits than its factorization.

213201122003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206791644.

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

Adding to 213201122003 its reverse (300221102312), we get a palindrome (513422224315).

The spelling of 213201122003 in words is "two hundred thirteen billion, two hundred one million, one hundred twenty-two thousand, three".