200211001020021 has 16 divisors (see below), whose sum is σ = 268115992472000. Its totient is φ = 132890015035008.

The previous prime is 200211001020011. The next prime is 200211001020073. The reversal of 200211001020021 is 120020100112002.

It is not a de Polignac number, because 200211001020021 - 2¹⁵ = 200211000987253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200211001019979 and 200211001020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211001020011) 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 15 ways as a sum of consecutive naturals, for example, 83885430 + ... + 86239128.

It is an arithmetic number, because the mean of its divisors is an integer number (16757249529500).

Almost surely, 2^{200211001020021} is an apocalyptic number.

It is an amenable number.

200211001020021 is a deficient number, since it is larger than the sum of its proper divisors (67904991451979).

200211001020021 is a wasteful number, since it uses less digits than its factorization.

200211001020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477748.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200211001020021 its reverse (120020100112002), we get a palindrome (320231101132023).

The spelling of 200211001020021 in words is "two hundred trillion, two hundred eleven billion, one million, twenty thousand, twenty-one".