10198122481 has 2 divisors, whose sum is σ = 10198122482. Its totient is φ = 10198122480.

The previous prime is 10198122439. The next prime is 10198122551. The reversal of 10198122481 is 18422189101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7026630625 + 3171491856 = 83825^2 + 56316^2 .

It is a cyclic number.

It is not a de Polignac number, because 10198122481 - 2⁷ = 10198122353 is a prime.

It is a super-2 number, since 2×10198122481² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10198122481.

It is not a weakly prime, because it can be changed into another prime (10198122581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5099061240 + 5099061241.

It is an arithmetic number, because the mean of its divisors is an integer number (5099061241).

Almost surely, 2^10198122481 is an apocalyptic number.

It is an amenable number.

10198122481 is a deficient number, since it is larger than the sum of its proper divisors (1).

10198122481 is an equidigital number, since it uses as much as digits as its factorization.

10198122481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 37.

The spelling of 10198122481 in words is "ten billion, one hundred ninety-eight million, one hundred twenty-two thousand, four hundred eighty-one".