30221123203 has 4 divisors (see below), whose sum is σ = 30222487048. Its totient is φ = 30219759360.

The previous prime is 30221123201. The next prime is 30221123221. The reversal of 30221123203 is 30232112203.

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 30221123203 - 2¹ = 30221123201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30221123201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648126 + ... + 693187.

It is an arithmetic number, because the mean of its divisors is an integer number (7555621762).

Almost surely, 2^30221123203 is an apocalyptic number.

30221123203 is a deficient number, since it is larger than the sum of its proper divisors (1363845).

30221123203 is a wasteful number, since it uses less digits than its factorization.

30221123203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363844.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30221123203 its reverse (30232112203), we get a palindrome (60453235406).

The spelling of 30221123203 in words is "thirty billion, two hundred twenty-one million, one hundred twenty-three thousand, two hundred three".