21004134141299 has 16 divisors (see below), whose sum is σ = 21754062021600. Its totient is φ = 20255922645504.

The previous prime is 21004134141247. The next prime is 21004134141313. The reversal of 21004134141299 is 99214143140012.

It is a cyclic number.

It is not a de Polignac number, because 21004134141299 - 2¹⁶ = 21004134075763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21004134141499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192014729 + ... + 192124085.

It is an arithmetic number, because the mean of its divisors is an integer number (1359628876350).

Almost surely, 2^{21004134141299} is an apocalyptic number.

21004134141299 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

21004134141299 is a deficient number, since it is larger than the sum of its proper divisors (749927880301).

21004134141299 is a wasteful number, since it uses less digits than its factorization.

21004134141299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117142.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 21004134141299 in words is "twenty-one trillion, four billion, one hundred thirty-four million, one hundred forty-one thousand, two hundred ninety-nine".