200021111020000 has 60 divisors (see below), whose sum is σ = 492081936325056. Its totient is φ = 80008444400000.

The previous prime is 200021111019979. The next prime is 200021111020009. The reversal of 200021111020000 is 20111120002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021111020009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5000507776 + ... + 5000547775.

Almost surely, 2^{200021111020000} is an apocalyptic number.

200021111020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200021111020000 is an abundant number, since it is smaller than the sum of its proper divisors (292060825305056).

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

200021111020000 is an equidigital number, since it uses as much as digits as its factorization.

200021111020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001055581 (or 10001055558 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200021111020000 its reverse (20111120002), we get a palindrome (200041222140002).

The spelling of 200021111020000 in words is "two hundred trillion, twenty-one billion, one hundred eleven million, twenty thousand".