202103003221 has 16 divisors (see below), whose sum is σ = 231373946880. Its totient is φ = 172932041520.

The previous prime is 202103003189. The next prime is 202103003261. The reversal of 202103003221 is 122300301202.

It is not a de Polignac number, because 202103003221 - 2⁵ = 202103003189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202103003195 and 202103003204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202103003261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14266740 + ... + 14280898.

It is an arithmetic number, because the mean of its divisors is an integer number (14460871680).

Almost surely, 2^202103003221 is an apocalyptic number.

It is an amenable number.

202103003221 is a deficient number, since it is larger than the sum of its proper divisors (29270943659).

202103003221 is a wasteful number, since it uses less digits than its factorization.

202103003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17544.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 202103003221 its reverse (122300301202), we get a palindrome (324403304423).

The spelling of 202103003221 in words is "two hundred two billion, one hundred three million, three thousand, two hundred twenty-one".