21010200222000 has 320 divisors, whose sum is σ = 73903532871168. Its totient is φ = 5092778880000.

The previous prime is 21010200221963. The next prime is 21010200222007. The reversal of 21010200222000 is 22200201012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (21010200222007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 843533547 + ... + 843558453.

Almost surely, 2^{21010200222000} is an apocalyptic number.

21010200222000 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 21010200222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36951766435584).

21010200222000 is an abundant number, since it is smaller than the sum of its proper divisors (52893332649168).

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

21010200222000 is a wasteful number, since it uses less digits than its factorization.

21010200222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37725 (or 37709 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 21010200222000 its reverse (22200201012), we get a palindrome (21032400423012).

The spelling of 21010200222000 in words is "twenty-one trillion, ten billion, two hundred million, two hundred twenty-two thousand".