21033010254300 has 864 divisors, whose sum is σ = 71256345801984. Its totient is φ = 4749083136000.

The previous prime is 21033010254259. The next prime is 21033010254323. The reversal of 21033010254300 is 345201033012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 27784689522 + ... + 27784690278.

It is an arithmetic number, because the mean of its divisors is an integer number (82472622456).

Almost surely, 2^{21033010254300} is an apocalyptic number.

21033010254300 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 21033010254300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35628172900992).

21033010254300 is an abundant number, since it is smaller than the sum of its proper divisors (50223335547684).

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

21033010254300 is a wasteful number, since it uses less digits than its factorization.

21033010254300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 21033010254300 its reverse (345201033012), we get a palindrome (21378211287312).

The spelling of 21033010254300 in words is "twenty-one trillion, thirty-three billion, ten million, two hundred fifty-four thousand, three hundred".