1020210220241 has 2 divisors, whose sum is σ = 1020210220242. Its totient is φ = 1020210220240.

The previous prime is 1020210220213. The next prime is 1020210220279. The reversal of 1020210220241 is 1420220120201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1015064310016 + 5145910225 = 1007504^2 + 71735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020210220241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020210220541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510105110120 + 510105110121.

It is an arithmetic number, because the mean of its divisors is an integer number (510105110121).

Almost surely, 2^{1020210220241} is an apocalyptic number.

It is an amenable number.

1020210220241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020210220241 is an equidigital number, since it uses as much as digits as its factorization.

1020210220241 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 17.

Adding to 1020210220241 its reverse (1420220120201), we get a palindrome (2440430340442).

The spelling of 1020210220241 in words is "one trillion, twenty billion, two hundred ten million, two hundred twenty thousand, two hundred forty-one".