202143321241 has 2 divisors, whose sum is σ = 202143321242. Its totient is φ = 202143321240.

The previous prime is 202143321199. The next prime is 202143321293. The reversal of 202143321241 is 142123341202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165746694400 + 36396626841 = 407120^2 + 190779^2 .

It is a cyclic number.

It is not a de Polignac number, because 202143321241 - 2¹⁷ = 202143190169 is a prime.

It is not a weakly prime, because it can be changed into another prime (202143361241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101071660620 + 101071660621.

It is an arithmetic number, because the mean of its divisors is an integer number (101071660621).

Almost surely, 2^202143321241 is an apocalyptic number.

It is an amenable number.

202143321241 is a deficient number, since it is larger than the sum of its proper divisors (1).

202143321241 is an equidigital number, since it uses as much as digits as its factorization.

202143321241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 202143321241 its reverse (142123341202), we get a palindrome (344266662443).

The spelling of 202143321241 in words is "two hundred two billion, one hundred forty-three million, three hundred twenty-one thousand, two hundred forty-one".