203230230222121 has 4 divisors (see below), whose sum is σ = 203477168534272. Its totient is φ = 202983291909972.

The previous prime is 203230230222101. The next prime is 203230230222221. The reversal of 203230230222121 is 121222032032302.

203230230222121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 203230230222121 - 2²⁷ = 203230096004393 is a prime.

It is a super-2 number, since 2×203230230222121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203230230222101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123469154841 + ... + 123469156486.

It is an arithmetic number, because the mean of its divisors is an integer number (50869292133568).

Almost surely, 2^{203230230222121} is an apocalyptic number.

It is an amenable number.

203230230222121 is a deficient number, since it is larger than the sum of its proper divisors (246938312151).

203230230222121 is an equidigital number, since it uses as much as digits as its factorization.

203230230222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246938312150.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 203230230222121 its reverse (121222032032302), we get a palindrome (324452262254423).

The spelling of 203230230222121 in words is "two hundred three trillion, two hundred thirty billion, two hundred thirty million, two hundred twenty-two thousand, one hundred twenty-one".