21010200200000 has 168 divisors, whose sum is σ = 56849252852448. Its totient is φ = 7640072000000.

The previous prime is 21010200199999. The next prime is 21010200200009. The reversal of 21010200200000 is 200201012.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010200200009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2575046 + ... + 6975045.

It is an arithmetic number, because the mean of its divisors is an integer number (338388409836).

Almost surely, 2^{21010200200000} is an apocalyptic number.

21010200200000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21010200200000 is an abundant number, since it is smaller than the sum of its proper divisors (35839052652448).

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

21010200200000 is an frugal number, since it uses more digits than its factorization.

21010200200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9550139 (or 9550109 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 21010200200000 its reverse (200201012), we get a palindrome (21010400401012).

The spelling of 21010200200000 in words is "twenty-one trillion, ten billion, two hundred million, two hundred thousand".