5213203340221 has 32 divisors (see below), whose sum is σ = 5727261012480. Its totient is φ = 4725295411200.

The previous prime is 5213203340197. The next prime is 5213203340231. The reversal of 5213203340221 is 1220433023125.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-5213203340221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5213203340221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5213203340231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 456852006 + ... + 456863416.

It is an arithmetic number, because the mean of its divisors is an integer number (178976906640).

Almost surely, 2^{5213203340221} is an apocalyptic number.

It is an amenable number.

5213203340221 is a deficient number, since it is larger than the sum of its proper divisors (514057672259).

5213203340221 is a wasteful number, since it uses less digits than its factorization.

5213203340221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19845.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 5213203340221 its reverse (1220433023125), we get a palindrome (6433636363346).

The spelling of 5213203340221 in words is "five trillion, two hundred thirteen billion, two hundred three million, three hundred forty thousand, two hundred twenty-one".