30221121303 has 10 divisors (see below), whose sum is σ = 45145131944. Its totient is φ = 20147414148.

The previous prime is 30221121283. The next prime is 30221121313. The reversal of 30221121303 is 30312112203.

It is not a de Polignac number, because 30221121303 - 2²⁶ = 30154012439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221121313) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 186550051 + ... + 186550212.

Almost surely, 2^30221121303 is an apocalyptic number.

30221121303 is a deficient number, since it is larger than the sum of its proper divisors (14924010641).

30221121303 is an equidigital number, since it uses as much as digits as its factorization.

30221121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373100275 (or 373100266 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30221121303 its reverse (30312112203), we get a palindrome (60533233506).

The spelling of 30221121303 in words is "thirty billion, two hundred twenty-one million, one hundred twenty-one thousand, three hundred three".