202321200001121 has 4 divisors (see below), whose sum is σ = 202321263063744. Its totient is φ = 202321136938500.

The previous prime is 202321200001103. The next prime is 202321200001177. The reversal of 202321200001121 is 121100002123202.

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 202321200001121 - 2²⁶ = 202321132892257 is a prime.

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 202321200001121.

It is not an unprimeable number, because it can be changed into a prime (202321200003121) 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, 26445485 + ... + 33226586.

It is an arithmetic number, because the mean of its divisors is an integer number (50580315765936).

Almost surely, 2^{202321200001121} is an apocalyptic number.

It is an amenable number.

202321200001121 is a deficient number, since it is larger than the sum of its proper divisors (63062623).

202321200001121 is an equidigital number, since it uses as much as digits as its factorization.

202321200001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63062622.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 202321200001121 its reverse (121100002123202), we get a palindrome (323421202124323).

The spelling of 202321200001121 in words is "two hundred two trillion, three hundred twenty-one billion, two hundred million, one thousand, one hundred twenty-one".