203120024221 has 8 divisors (see below), whose sum is σ = 207741965184. Its totient is φ = 198510593280.

The previous prime is 203120024209. The next prime is 203120024227. The reversal of 203120024221 is 122420021302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203120024221 - 2⁹ = 203120023709 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 (203120024227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3094660 + ... + 3159613.

It is an arithmetic number, because the mean of its divisors is an integer number (25967745648).

Almost surely, 2^203120024221 is an apocalyptic number.

It is an amenable number.

203120024221 is a deficient number, since it is larger than the sum of its proper divisors (4621940963).

203120024221 is an equidigital number, since it uses as much as digits as its factorization.

203120024221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6255011.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 203120024221 its reverse (122420021302), we get a palindrome (325540045523).

The spelling of 203120024221 in words is "two hundred three billion, one hundred twenty million, twenty-four thousand, two hundred twenty-one".