203141134121 has 4 divisors (see below), whose sum is σ = 203202714000. Its totient is φ = 203079554244.

The previous prime is 203141134099. The next prime is 203141134153. The reversal of 203141134121 is 121431141302.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121431141302 = 2 ⋅60715570651.

It is a cyclic number.

It is not a de Polignac number, because 203141134121 - 2²⁶ = 203074025257 is a prime.

It is a super-2 number, since 2×203141134121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (203141134421) 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, 30784991 + ... + 30791588.

It is an arithmetic number, because the mean of its divisors is an integer number (50800678500).

Almost surely, 2^203141134121 is an apocalyptic number.

It is an amenable number.

203141134121 is a deficient number, since it is larger than the sum of its proper divisors (61579879).

203141134121 is an equidigital number, since it uses as much as digits as its factorization.

203141134121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61579878.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 203141134121 its reverse (121431141302), we get a palindrome (324572275423).

The spelling of 203141134121 in words is "two hundred three billion, one hundred forty-one million, one hundred thirty-four thousand, one hundred twenty-one".