201232300121 has 4 divisors (see below), whose sum is σ = 206140405044. Its totient is φ = 196324195200.

The previous prime is 201232300117. The next prime is 201232300169. The reversal of 201232300121 is 121003232102.

201232300121 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 an emirpimes, since its reverse is a distinct semiprime: 121003232102 = 2 ⋅60501616051.

It can be written as a sum of positive squares in 2 ways, for example, as 60412232521 + 140820067600 = 245789^2 + 375260^2 .

It is a cyclic number.

It is not a de Polignac number, because 201232300121 - 2² = 201232300117 is a prime.

It is a super-2 number, since 2×201232300121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201232300121.

It is not an unprimeable number, because it can be changed into a prime (201232303121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2454052400 + ... + 2454052481.

It is an arithmetic number, because the mean of its divisors is an integer number (51535101261).

Almost surely, 2^201232300121 is an apocalyptic number.

It is an amenable number.

201232300121 is a deficient number, since it is larger than the sum of its proper divisors (4908104923).

201232300121 is an equidigital number, since it uses as much as digits as its factorization.

201232300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908104922.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201232300121 its reverse (121003232102), we get a palindrome (322235532223).

The spelling of 201232300121 in words is "two hundred one billion, two hundred thirty-two million, three hundred thousand, one hundred twenty-one".