10121010946447 has 2 divisors, whose sum is σ = 10121010946448. Its totient is φ = 10121010946446.

The previous prime is 10121010946381. The next prime is 10121010946469. The reversal of 10121010946447 is 74464901012101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10121010946447 - 2¹⁵ = 10121010913679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121010946747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060505473223 + 5060505473224.

It is an arithmetic number, because the mean of its divisors is an integer number (5060505473224).

Almost surely, 2^{10121010946447} is an apocalyptic number.

10121010946447 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121010946447 is an equidigital number, since it uses as much as digits as its factorization.

10121010946447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

Adding to 10121010946447 its reverse (74464901012101), we get a palindrome (84585911958548).

The spelling of 10121010946447 in words is "ten trillion, one hundred twenty-one billion, ten million, nine hundred forty-six thousand, four hundred forty-seven".