21104210302413 has 24 divisors (see below), whose sum is σ = 32749193947680. Its totient is φ = 12053604981600.

The previous prime is 21104210302403. The next prime is 21104210302451. The reversal of 21104210302413 is 31420301240112.

It is not a de Polignac number, because 21104210302413 - 2⁴ = 21104210302397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21104210302403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35080263 + ... + 35676788.

It is an arithmetic number, because the mean of its divisors is an integer number (1364549747820).

Almost surely, 2^{21104210302413} is an apocalyptic number.

It is an amenable number.

21104210302413 is a deficient number, since it is larger than the sum of its proper divisors (11644983645267).

21104210302413 is a wasteful number, since it uses less digits than its factorization.

21104210302413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70759097 (or 70759090 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21104210302413 its reverse (31420301240112), we get a palindrome (52524511542525).

The spelling of 21104210302413 in words is "twenty-one trillion, one hundred four billion, two hundred ten million, three hundred two thousand, four hundred thirteen".