21341133104000 has 128 divisors (see below), whose sum is σ = 53094990386880. Its totient is φ = 8530726041600.

The previous prime is 21341133103891. The next prime is 21341133104063. The reversal of 21341133104000 is 40133114312.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23441309 + ... + 24334691.

Almost surely, 2^{21341133104000} is an apocalyptic number.

21341133104000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21341133104000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26547495193440).

21341133104000 is an abundant number, since it is smaller than the sum of its proper divisors (31753857282880).

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

21341133104000 is an equidigital number, since it uses as much as digits as its factorization.

21341133104000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894905 (or 894883 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21341133104000 its reverse (40133114312), we get a palindrome (21381266218312).

The spelling of 21341133104000 in words is "twenty-one trillion, three hundred forty-one billion, one hundred thirty-three million, one hundred four thousand".