1002202020241 has 2 divisors, whose sum is σ = 1002202020242. Its totient is φ = 1002202020240.

The previous prime is 1002202020191. The next prime is 1002202020257. The reversal of 1002202020241 is 1420202022001.

It is an a-pointer prime, because the next prime (1002202020257) can be obtained adding 1002202020241 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 612351635841 + 389850384400 = 782529^2 + 624380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002202020241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002202020271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501101010120 + 501101010121.

It is an arithmetic number, because the mean of its divisors is an integer number (501101010121).

Almost surely, 2^{1002202020241} is an apocalyptic number.

It is an amenable number.

1002202020241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002202020241 is an equidigital number, since it uses as much as digits as its factorization.

1002202020241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1002202020241 its reverse (1420202022001), we get a palindrome (2422404042242).

The spelling of 1002202020241 in words is "one trillion, two billion, two hundred two million, twenty thousand, two hundred forty-one".