10299218458121 has 4 divisors (see below), whose sum is σ = 10318255831044. Its totient is φ = 10280181085200.

The previous prime is 10299218458103. The next prime is 10299218458153. The reversal of 10299218458121 is 12185481299201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7716528402496 + 2582690055625 = 2777864^2 + 1607075^2 .

It is a cyclic number.

It is not a de Polignac number, because 10299218458121 - 2⁶ = 10299218458057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10299218958121) 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 in 3 ways as a sum of consecutive naturals, for example, 9518685650 + ... + 9518686731.

It is an arithmetic number, because the mean of its divisors is an integer number (2579563957761).

Almost surely, 2^{10299218458121} is an apocalyptic number.

It is an amenable number.

10299218458121 is a deficient number, since it is larger than the sum of its proper divisors (19037372923).

10299218458121 is an equidigital number, since it uses as much as digits as its factorization.

10299218458121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19037372922.

The product of its (nonzero) digits is 829440, while the sum is 53.

The spelling of 10299218458121 in words is "ten trillion, two hundred ninety-nine billion, two hundred eighteen million, four hundred fifty-eight thousand, one hundred twenty-one".