21013122012298 has 16 divisors (see below), whose sum is σ = 35039250602496. Its totient is φ = 9385513553520.

The previous prime is 21013122012251. The next prime is 21013122012367. The reversal of 21013122012298 is 89221022131012.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13035434686 + ... + 13035436297.

It is an arithmetic number, because the mean of its divisors is an integer number (2189953162656).

Almost surely, 2^{21013122012298} is an apocalyptic number.

21013122012298 is a deficient number, since it is larger than the sum of its proper divisors (14026128590198).

21013122012298 is a wasteful number, since it uses less digits than its factorization.

21013122012298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26070871029.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 21013122012298 in words is "twenty-one trillion, thirteen billion, one hundred twenty-two million, twelve thousand, two hundred ninety-eight".