21033302103000 has 384 divisors, whose sum is σ = 80146743768000. Its totient is φ = 5098981536000.

The previous prime is 21033302102959. The next prime is 21033302103043. The reversal of 21033302103000 is 30120333012.

21033302103000 is a `hidden beast` number, since 2 + 10 + 3 + 330 + 21 + 0 + 300 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47946 + ... + 6486054.

Almost surely, 2^{21033302103000} is an apocalyptic number.

21033302103000 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 21033302103000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40073371884000).

21033302103000 is an abundant number, since it is smaller than the sum of its proper divisors (59113441665000).

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

21033302103000 is a wasteful number, since it uses less digits than its factorization.

21033302103000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6438161 (or 6438130 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 21033302103000 its reverse (30120333012), we get a palindrome (21063422436012).

The spelling of 21033302103000 in words is "twenty-one trillion, thirty-three billion, three hundred two million, one hundred three thousand".