21341334321000 has 192 divisors, whose sum is σ = 73668471252480. Its totient is φ = 5569936790400.

The previous prime is 21341334320987. The next prime is 21341334321007. The reversal of 21341334321000 is 12343314312.

It is a happy number.

21341334321000 is a `hidden beast` number, since 2 + 1 + 3 + 4 + 1 + 334 + 321 + 0 + 0 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (21341334321007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24803164 + ... + 25649163.

It is an arithmetic number, because the mean of its divisors is an integer number (383689954440).

Almost surely, 2^{21341334321000} is an apocalyptic number.

21341334321000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21341334321000 is an abundant number, since it is smaller than the sum of its proper divisors (52327136931480).

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

21341334321000 is a wasteful number, since it uses less digits than its factorization.

21341334321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50452401 (or 50452384 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 21341334321000 its reverse (12343314312), we get a palindrome (21353677635312).

The spelling of 21341334321000 in words is "twenty-one trillion, three hundred forty-one billion, three hundred thirty-four million, three hundred twenty-one thousand".