10201202261 has 2 divisors, whose sum is σ = 10201202262. Its totient is φ = 10201202260.

The previous prime is 10201202227. The next prime is 10201202267. The reversal of 10201202261 is 16220210201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6676524100 + 3524678161 = 81710^2 + 59369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10201202261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10201202267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100601130 + 5100601131.

It is an arithmetic number, because the mean of its divisors is an integer number (5100601131).

Almost surely, 2^10201202261 is an apocalyptic number.

It is an amenable number.

10201202261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201202261 is an equidigital number, since it uses as much as digits as its factorization.

10201202261 is an evil number, because the sum of its binary digits is even.

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

Adding to 10201202261 its reverse (16220210201), we get a palindrome (26421412462).

The spelling of 10201202261 in words is "ten billion, two hundred one million, two hundred two thousand, two hundred sixty-one".