21011041334199 has 8 divisors (see below), whose sum is σ = 32016824890240. Its totient is φ = 12006309333816.

The previous prime is 21011041334189. The next prime is 21011041334203. The reversal of 21011041334199 is 99143314011012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21011041334199 - 2⁵ = 21011041334167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21011041334189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500262888889 + ... + 500262888930.

It is an arithmetic number, because the mean of its divisors is an integer number (4002103111280).

Almost surely, 2^{21011041334199} is an apocalyptic number.

21011041334199 is a deficient number, since it is larger than the sum of its proper divisors (11005783556041).

21011041334199 is a wasteful number, since it uses less digits than its factorization.

21011041334199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000525777829.

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 21011041334199 in words is "twenty-one trillion, eleven billion, forty-one million, three hundred thirty-four thousand, one hundred ninety-nine".