10202343352261 has 2 divisors, whose sum is σ = 10202343352262. Its totient is φ = 10202343352260.

The previous prime is 10202343352247. The next prime is 10202343352297. The reversal of 10202343352261 is 16225334320201.

10202343352261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5538821040900 + 4663522311361 = 2353470^2 + 2159519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10202343352261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202343358261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101171676130 + 5101171676131.

It is an arithmetic number, because the mean of its divisors is an integer number (5101171676131).

Almost surely, 2^{10202343352261} is an apocalyptic number.

It is an amenable number.

10202343352261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202343352261 is an equidigital number, since it uses as much as digits as its factorization.

10202343352261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 10202343352261 its reverse (16225334320201), we get a palindrome (26427677672462).

The spelling of 10202343352261 in words is "ten trillion, two hundred two billion, three hundred forty-three million, three hundred fifty-two thousand, two hundred sixty-one".