21011041334200 has 24 divisors (see below), whose sum is σ = 48850671102480. Its totient is φ = 8404416533600.

The previous prime is 21011041334189. The next prime is 21011041334203. The reversal of 21011041334200 is 243314011012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21011041334203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52527603136 + ... + 52527603535.

It is an arithmetic number, because the mean of its divisors is an integer number (2035444629270).

Almost surely, 2^{21011041334200} is an apocalyptic number.

21011041334200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21011041334200 is an abundant number, since it is smaller than the sum of its proper divisors (27839629768280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21011041334200 is a wasteful number, since it uses less digits than its factorization.

21011041334200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105055206687 (or 105055206678 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21011041334200 its reverse (243314011012), we get a palindrome (21254355345212).

The spelling of 21011041334200 in words is "twenty-one trillion, eleven billion, forty-one million, three hundred thirty-four thousand, two hundred".