10397122261 has 2 divisors, whose sum is σ = 10397122262. Its totient is φ = 10397122260.

The previous prime is 10397122231. The next prime is 10397122273. The reversal of 10397122261 is 16222179301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8893621636 + 1503500625 = 94306^2 + 38775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10397122261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10397122231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5198561130 + 5198561131.

It is an arithmetic number, because the mean of its divisors is an integer number (5198561131).

Almost surely, 2^10397122261 is an apocalyptic number.

It is an amenable number.

10397122261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10397122261 is an equidigital number, since it uses as much as digits as its factorization.

10397122261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 10397122261 in words is "ten billion, three hundred ninety-seven million, one hundred twenty-two thousand, two hundred sixty-one".